[25NL] Sick Spot Facing Multiway Turn Jam

BTN: 120 BB
SB: 209.96 BB
Hero (BB): 225.12 BB
UTG: 100 BB
MP: 172.52 BB
CO: 132 BB

SB posts SB 0.4 BB, Hero posts BB 1 BB

Pre Flop: (pot: 1.4 BB) Hero has K♣ Q♣

UTG raises to 2 BB, fold, fold, fold, SB calls 1.6 BB, Hero raises to 14 BB, UTG calls 12 BB, SB calls 12 BB

Flop: (42 BB, 3 players) Q♦ T♣ 2♠
SB checks, Hero bets 8 BB, UTG calls 8 BB, SB calls 8 BB

Turn: (66 BB, 3 players) 7♣
SB checks, Hero bets 15.48 BB, UTG raises to 78 BB and is all-in, SB raises to 187.96 BB and is all-in, Hero ???

Seems awkward to fold top pair second kicker with the flush draw, but the action faced is so strong. What would you do?