Villain was new when this hand occured so i have no reads.

He opens i t SB and i call with JdTh

Flop: 5d 6d 7h bets, i call.

Turn: 9h bets, I raise, he 3bets i call.

River: Ad he bets, i fold


I know i often semi-bluff the wrong spots and i havent yet a good handle with this situation. Pls help me out!