Preflop all-in decision with JJ

[Laomedon]

This was in a PP 30+3 MTT I just played. I was moved to this table one hand earlier so no reads on Villain. I think this hand might be considered in the same vein as the recent discussions on small edges in tournaments. Anyone agree with my decision?

Party Poker No-Limit Hold'em Tourney, Big Blind is t1500 (9 handed) converter

BB (t13233)
UTG (t14216)
UTG+1 (t25204)
MP1 (t8697)
MP2 (t12209)
Hero (t22640)
CO (t37286)
Button (t6972)
SB (t19422)

Preflop: Hero is MP3 with J[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/spade.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to t4500</font>, <font color="#666666">2 folds</font>, <font color="#CC3333">SB raises to t19422 (All-In)</font>, <font color="#666666">1 fold</font>, Hero folds.

Final Pot: t25422