Given the early stages and how deep you are I'd prefer a bigger preflop raise here but I know that is a contentious issue.

I'm fine with how you played the hand but I agree with you and JLUDEOBV that it's a bet/fold on the river. I doubt he ever double floats and jams river with total air, there's not many missed draws that could do it and even J9 I doubt jams river. He's unlikely to be turning a mid pp into a bluff in that spot and he's also rarely jamming worse 2 pairs there so his range is going to be JK AQ and sets almost all the time.