It's a HORSE tournament, (limit) holdem round. Blinds are 50-100, your stack is about 5800, and your opponent's stack is about 2250. Most of the field is still in, so there are no bubble/money considerations. Your stack is about 1.5x average.
You're dealt two red aces on the button. The cutoff raises. You three-bet. The small blind caps. The initial raiser wisely folds, and you call.
The flop comes 7s Jh 9s. SB checks to you, you bet, he calls.
The turn is a 3h. He checks to you, you bet, he calls.
The river is a Td. The board is now 7s Jh 9s 3h Td. Assuming you have no intel on this player beyond what's in this description, what do you do?