Yeah, this is a preflop question, hope it's not too elementary. Hero's been sitting about one orbit; no reads on the players. Should I cap this? Fold it?

Party Poker 3/6 Hold'em (6 max, 5 handed) FTR converter on zerodivide.cx

Preflop: Hero is SB with 9[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">UTG raises</font>, <font color="#CC3333">MP 3-bets</font>, <font color="#666666">1 fold</font>, Hero calls, <font color="#666666">1 fold</font>, UTG calls.