100r JJ pre flop huge pot spot

[Bond18]

I've got a kind of aggressive image after opening 2 or 3 times the last round with good hands and not being called. Havn't done any 3 betting yet though. Don't know anything about villain, don't have my PT/PAHUD on this computer.

PokerStars No-Limit Hold'em Tourney, Big Blind is t300 (9 handed) Hand History converter Courtesy of PokerZion.com

saw flop|<font color="#C00000">saw showdown</font>

UTG (t20283)
UTG+1 (t6050)
MP1 (t13519)
MP2 (t6825)
MP3 (t2824)
CO (t16002)
<font color="#C00000">Hero (t19720)</font>
SB (t7825)
<font color="#C00000">BB (t17388)</font>

Preflop: Hero is Button with J[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">5 folds</font>, <font color="#CC3333">CO raises to t900</font>, <font color="#CC3333">Hero raises to t3000</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">BB raises to t17363</font>, CO folds, Hero?