While looking underneath,

1. turn the cold water on full-blast.
2. turn on the sprayer
3. repeat steps one and two with hot water

Did you see anything? You might have a hole in one of the braided hoses.

Stop up the sink, fill it with water, and take a peek please.

Your loop vent isn't up to code; not quite high enough:

Thank you! doesnt aurprise me it isnt up to code… 😑 it was a remodel when we bought it .. i filled up earlier with stopper and let it sit there and nothing . my husband had dumped ice in the sink earlier and it had sat there and im wondering if that created the condesnation? ive done the dishes and kept water going and now it is dry underneath im so confused!

Condensation from ice being put into it would make sense. Try dumping ice in again and see if it happens again.

I always rinse/melt any ice that gets placed in the sink. If you just let it melt at room temperature any minerals in the water will leave stains in the stainless steel.