JJ v big stacks in $3r

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No particular reads on these players. Button seemed quite loose, hadn't noted anything about OR and neither have been at the table long. We're ITM with something like 280 to go and I have a top 20 stack.

Poker Stars
No Limit Holdem Tournament
Blinds: t800/t1600
(Ante: t75)
9 players
Converter

Stack sizes:
UTG: t35870
UTG+1: t11132
MP1: t20610
MP2: t57825
MP3: t17990
CO: t14780
Button: t60818
Hero: t84191
BB: t6435

Pre-flop: (9 players) Hero is SB with J[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/spade.gif[/img]
3 folds, <font color="#cc0000">MP2 raises to t4800</font>, 2 folds, Button calls t4800 <font color="aaaaaa">(pot was t7875)</font>, <font color="#cc0000">Hero?