Kuja900

The turn really does not change very much. Because of the 3bet pre hes not going to give you as many flush draws in your range. We have no idea what his calling range here is preflop given you are unknown to each other. Wp on the flop but ott I don't think he has much in his folding range anymore. Besides AJ I cannot think of many hands that would be in his range that did not fold the flop that will now fold the turn. In fact he can continue with even more hands then before with his pair+big spades now. The river yet again changes nothing effectively about the board. I know you bet on the turn planning to bet certain rivers but I think a check/fold ott should be favored anyway given how strong his range becomes once he calls the flop and how little is left in his folding range.

The only thing I think certainly was a mistake in this hand was the sizing of our preflop raise. 20 would have been better. For 15 were just going to get the snowball call effect too often and I don't think we want to play a 4 way hand with JJ.