What's the right move here?

[Toronexti]

Poker Stars
No Limit Holdem Tournament
Blinds: t150/t300
(Ante: t15)
9 players

Stack sizes:
UTG: t6610
UTG+1: t3827
MP1: t7239
MP2: t7300
MP3: t4802
CO: t14679
Button: t1779
SB: t4915
Hero: t10340

Pre-flop: (9 players) Hero is BB with K [img]/images/graemlins/diamond.gif[/img] T [img]/images/graemlins/diamond.gif[/img]
<font color="red"> UTG raises to t900 </font> , UTG+1 folds, MP1 calls t900 (pot was t1485), MP2 calls t900 (pot was t2385), 4 folds, Hero calls t600 (pot was t3285).

Flop: 5 [img]/images/graemlins/diamond.gif[/img] 5 [img]/images/graemlins/heart.gif[/img] 2 [img]/images/graemlins/diamond.gif[/img] (t3885, 4 players)
Hero checks, UTG checks, <font color="red"> MP1 is all-in t6324 </font> , <font color="red"> MP2 raises all-in t6385 </font> , Hero ??