55: Button Steal vs BB: KO tourney

[czGLoRy]

So villain had been playing back at me most of the times (all two of them) I had tried to steal his big blind. This is a KO tourney, $30 for knocking out any player. Am I far enough ahead of his range to call (shove) his raise, given the $30 bounty, in the $150 buy in?

Full Tilt Poker, NL Hold'em Tournament, 100/200 Blinds, 9 Players
LeggoPoker.com - Hand History Converter

Hero (BTN): 5,640
SB: 5,375
BB: 2,755 (he has been relatively tight, but making very aggressive plays when he does infact play. Called exitonly's 10xBB shove w/ AT leaving himself 400 chips behind (1600 shove)
UTG: 5,270
UTG+1: 2,210
UTG+2: 5,096
MP1: 6,555
MP2: 4,320
CO: 3,500

Pre-Flop: (300) 5[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/heart.gif[/img] dealt to Hero (BTN)
6 folds, <font color="red">Hero raises to 600</font>, SB folds, <font color="red">BB raises to 1,600</font>, <font color="red">Hero ?