Whichever one is fine. No need to over-think it. Personally, I’d have done all the online ones by now - Carvana, carmax, KBB, GMTV, etc.
there is no “benchmark” you are setting by just getting a quote - it’s whoever thinks your car is the most sellable and will offer the most. I had a ‘22 MY with 30k miles on it and there was a $4k spread between the lowest and highest offer.