I am trying to figure out what I should do about re insulating my kitchen. Fiberglass rolls, blow in, bigger question insulate between floors?

Little bit of a back story.

House was built in 1945 bought it 2 years ago.

2 floor is all rolled fiberglass r-11 or r-13 on the wall and the rafters (steep roof where the bottom start at the top of the first floor) till it gets to the attic then is all blown in cellulose.

Now the first floor I am guessing the whole first floor is blown cellulose in the walls in dense pack (or they at least tried) and all of the ceilings in each room is loose fill fiberglass and does not even cover more then half the joist bay.

So after tearing down the wall the insulation was subpar at best. One wall most of it was dense packed (not to dense kinda soft) but there was 2 stud bays near interior walls that had none above the window. The other wall had blow in but only up 3 ft up. There is 2x4 blocking going the whole wall length of the wall just bellow the widow, everything above that line there is nothing Then like I said above the joist bays had loose fill fiber glass not even 4 in think what looks the whole house.

So what should I do for insulation do fiberglass rolls, blow in semi dense pack or dense pack? Should I add insulation back between the 1st and 2nd floor ceiling?

From the looks of what I seen I can buy R-15 fiberglass rolls for 2x4 studs and and blow in dense pack is R-13-15 in 2x4 walls. The price is slightly higher for fiberglass rolls even after machine rental.

I just don't like the idea of it being dusty during blow in and it being a mess or hard to add something in the wall later on.