two pair in draw flop

[Polezi]

Poker Stars, $0.50/$1 Limit Hold'em Cash Game, 8 Players
LeggoPoker.com - Hand History Converter

Pre-Flop: 9[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/club.gif[/img] dealt to Hero (BB)
3 folds, MP2 calls, CO folds, BTN calls, SB folds, Hero checks

Flop: (3.5 SB) J[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (3 Players)
Hero checks, <font color="red">MP2 bets</font>, BTN calls, Hero ????

BTN is loose, MP2 no reads