Can you lower the chandelier? Since the window looks on the drive, I would add a pretty print cafe curtain. You still get light, but block out the view of the parked car. I would remove the place mats and add an interesting centerpiece.

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Window treatments such as shades or curtains will help with elevation. You can also do an area rug to define the space, however, it's a bit difficult to say if it will work without proper dimensions. Based on your photos, it looks like a tall and narrow floor plant will fit nicely near the window or on the opposite wall in the corner.

An old fashioned plate rack set high on the half wall facing the kitchen might be nice

https://www.amazon.com/s?k=Appletree+Woodcrafts

and you can do inexpensive modern plates for a fun modern farmhouse splash

https://www.wayfair.com/kitchen-tabletop/pdp/french-bull-french-6-piece-appetizer-plate-ealj1013.html

A set of these would keep your cow company -- 2 stacked on each side

https://www.etsy.com/listing/634938701/farmhouse-vintage-cow-prints-set-of-4?gpla=1&gao=1&&utm_source=google&utm_medium=cpc&utm_campaign=shopping_us_d-art_and_collectibles-prints-digital_prints&utm_custom1=k_Cj0KCQjw84anBhCtARIsAISI-xe6QEr6f0jMspvuWKsDe1YID9FXweuqZVo2loMLQJ0jrQEVf4HKopgaArtrEALw_wcB_k&utm_content=go_1843970593_72372923880_346397756857_aud-1118323511478:pla-328046931108_c__634938701_12768591&utm_custom2=1843970593&gclid=Cj0KCQjw84anBhCtARIsAISI-xe6QEr6f0jMspvuWKsDe1YID9FXweuqZVo2loMLQJ0jrQEVf4HKopgaArtrEALw_wcB

How about this for your window, in white or gray?

https://www.amazon.com/Lazzzy-Greyish-Curtains-Embroidered-Included/dp/B07F1QYX9X/ref=asc_df_B07F1PDB63/?tag=hyprod-20&linkCode=df0&hvadid=295612568063&hvpos=&hvnetw=g&hvrand=782074009845765096&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9003302&hvtargid=pla-526441169643&th=1

I’d add a window treatment to control light & soften the window. Definitely inside mounted so as not to cover the nice window trim. Maybe white wooden matchstick blinds which would let light through even when down if not lined. Or, wooden slat blinds. Remove place mats & add a table runner & long centerpiece - not floral - something with texture - even just long bowl with moss balls. Something with color. I like the art but would add more to each side for a simple gallery look & something with a bit of color. The light is pretty high but is okay. As is with nothing much else to catch the eye it’s attention getting. Add some interest & everything blends. I’m guessing this dining area is adjacent to kitchen - do you have some color there? Red? The color in both areas should coordinate & flow.

ETA - just saw @mytwo cents note - cute art suggested but I’d steer clear of more cows (pun intended). You don’t want a herd on your walls. I do agree with that idea though of more art & ok with more animals too. Sheep, pigs & donkeys have a high smile factor 😄

https://www.kirklands.com/product/Home-Decor-Pillows/Home-Accents/Decorative-Trays/Seagrass-Woven-3-Section-Tray/pc/2284/c/2342/sc/2948/342595.uts?cid=cse_google&utm_campaign=Shopping%20-%20Smart%20(Home%20Decor%20&%20Pillows)&gclid=Cj0KCQjw84anBhCtARIsAISI-xe5gYZtoRYGARb2U0ewm_xd7D2O8Kt6CZIa_18HHat8Jvqb7pwXq4UaAjLsEALw_wcB&gclsrc=aw.ds

I love the suggestion to put shades on the window. In your situation, I would choose bottom up shades.

You need a rug...growing up and visiting my grandparents farm the rug were either rag or hooked.

The combination of the floor an table and chairs is too beachy and a rug will solve that issue.

https://www.etsy.com/market/rag_rugs

There were no steer on their farm, just chickens, rooster (notice only one), hens, and skunks. The property was on a salt water river and fish, crabs, clams were a big part of their protein. So, looking at this art you can see why all farmhouses were not out on the prairies.

Don't put a rug under a dining table.

Thank you everyone for all the great ideas!!

Using @BeverlyFLADeziner inspiration tryptech (love the cows):