$11 FT 77 UTG 80/160 limp vs 3xBB raise

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Should I have pushed this initially, pushed after his raise or NH?

Full Tilt Poker
No Limit Holdem Tournament
Blinds: t80/t160
7 players
Converter

Stack sizes:
SuperHero: t1335
UTG+1: t2595
MP1: t2340
CO: t2930
Button: t1821
SB: t1819
BB: t660

Pre-flop: (7 players) SuperHero is UTG with 7[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/spade.gif[/img]
SuperHero calls t160 <font color="aaaaaa">(pot was t240)</font>, 3 folds, <font color="#cc0000">Button raises to t480</font>, 2 folds, SuperHero folds.
Uncalled bets: t320 returned to Button.

Results:
Final pot: t560