Top pair and a draw

[rminusq]

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Generally I like to call the flop and se what happens on turn. reevaluate, or hit straight.

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He had AK and as you predicted in the later post, I was drawing to 3 outs for a chop or runner-runner boat. As it turned out (and I know technically speaking, since the deck is always shuffled, it's different), the turn card was a 9, so all my chips were going in one way or the other. River was a king. I was short-stacked, doubled up a short time later and that led to this hand:

Stacks: Button 1215, SB 2925, Hero 880. 15/30 blinds
Fold to button (new to table) who limps, SB limps, Hero (9d 9h) raises to 120, button calls, SB folds.

Pot is 270, flop comes Ts 9s 6s. I want to find out if he's got the flush and bet 210, button calls. Turn is 5c. Pot is 690, my stack is 550, his stack is 885. Is this a shove? Was it a shove on the flop?