Short Stacked 66 vs. Big Raise and Big Call

[Misfire]

Ultimate Bet No-Limit Hold'em Tourney, Big Blind is t100 (6 handed) converter

BB (t2095)
UTG (t1135)
Hero (t1040)
CO (t4445)
Button (t4340)
SB (t1945)

Preflop: Hero is MP with 6[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/heart.gif[/img].
UTG calls t100, Hero calls t100, <font color="#666666">1 fold</font>, <font color="#CC3333">Button raises to t450</font>, <font color="#666666">2 folds</font>, UTG calls t350, Hero??