(33 speed) Push or Fold and why?

[AceRat138]

PartyPoker $33 Speed Tournament, Big Blind is t600 (4 handed) Converter on pregopoker.com

CO (t4145)
Button (t12140)
Hero (t1340)
BB (t2375)

Preflop: Hero is in SB with 4[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/spade.gif[/img]
<font color="gray">CO folds</font>, <font color="gray">Button folds</font>

What is the calling range of Villian? Should I push or fold? According to pro tools this is a push if villian is calling with 74% of hands or less and a fold if he is calling with more. Should I take the gamble because I feel that if I win I can play better ITM than my opponents, or should I fold because ICM suggests I do so? Thoughts?