I have A9 of diamonds in the big blind and there's a five dollar straddle. Three players in the field call and I call, the villain on the straddle (who has me covered) raises to 18 more, everybody calls in front of me so there's about a hundred in, 18 for me to call. I don't love it since I basically have to hit trip nines or a flush to be good but I do call, maybe I could have folded. The flop comes 237 with two diamonds. I check and the original raiser bets out 65 into about 115 everyone folds to me. I have about 160 left.. This particular villain would play JJ or better this way pretty much every time but I guess he could just have AK, pretty unlikely, though. I also assume that he will shove on the turn on any card so if I hit my flush I'm going to stack him but if the turn is a blank it'll be $100 to win about $350 (the pot will be about $250 on the turn and he'll bet out about $100.
Do I check-raise shove to pick up the tiny bit of fold equity the five percent of the time he has AK? Call flop and check call the turn since I'd likely be about a 2 to 1 dog and getting 3.5 to one from the pot? Call flop and donk shove the turn no matter what repping a set and just maybe getting fold equity against something like JJ?