live £50 MTT made a move, flopepd a monster but ugly turn?

[auc hincloss]

45 person MTT, 27 remaining. Blinds t200- t400

6 players at the table, its just about to fill up.

~stacks
Hero (BTN) 19.7k
SB 12k
BB 9k
UTG 16k
MP 7.5k
CO 12k

utg limps t400,2 folds to Hero on BTN with T [img]/images/graemlins/heart.gif[/img]8 [img]/images/graemlins/heart.gif[/img] and raises to t1500, sb and bb fold, UTG calls.

flop 9[img]/images/graemlins/diamond.gif[/img]7 [img]/images/graemlins/heart.gif[/img] 6 [img]/images/graemlins/club.gif[/img]

UTG checks, Hero bets t2200, UTG raises to t4400, Hero Calls.

Turn 6 [img]/images/graemlins/spade.gif[/img]

UTG checks, Hero?????????

UTG is relative unknown, we have played some games together but in this tourney have not been involved. no proper reads although he called my raise preflop rather quick as if he was expecting it...