125/250 BB

6 people left in on a SNG

UTG (2058chips) - bet 250
BU (4146) - called
SB - fold
BB (1700) - checked (ME) 5c 8d

Flop 3c 4d 5s

UTG - bet 250
BU - Fold
Me - All In

UTG had QQ

He flat called QQ no raise, did I play this hand wrong ???, or did the other guy just take a risk on the flop, shouldnt you raise QQ ???.