Raise or fold situaion??

[Machmood]

Lets overlook the preflop play for a moment and just focus on what to do on the flop. Its a LAG 10/20 live limit game. UTG limps, the next position raises, I C/C with Q7h, both blinds call, and the limper calls. The flop is J 7 3 with one heart. The limper checks, original raiser bets, and I??