6-seat $13: J9o in SB with limper in front

[LordMushroom2]

Payouts are 65/35.

CO is passive and a little loose.
BB is tight-aggressive.
Hero has a tight-aggressive image.

PokerStars Tournament, Big Blind is t30 (5 handed) Converter on pregopoker.com

UTG (t2373)
CO (t1360)
Button (t2801)
Hero (t1091)
BB (t1375)

Preflop: Hero is in SB with J[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, CO calls t30, <font color="gray">Button folds</font>
Hero?

What should I do?