NL25 - T9s / 2 Pair / Dangerous Board

[22pajo]

No-Limit Hold'em, $0.25/$0.50BB

CO ($8.55)
Button ($47.53)
SB ($58.80)
BB ($32.65)
UTG ($18.50)
UTG+1 ($25.28)
UTG+2 ($58.35)
MP1 ($10.00)
Hero ($54.10)
MP3 ($26.55)

<font color="blue"> Villain is loose and agressive </font>

Preflop:T[img]/images/graemlins/spade.gif[/img]9[img]/images/graemlins/spade.gif[/img] dealt to Hero (MP2)
UTG calls $0.50, <font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to 2.5</font>, <font color="#666666">4 folds</font>, BB calls $2.00, <font color="#666666">1 folds</font>,

Flop: 6[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/diamond.gif[/img] ( $5.75 )
<font color="#CC3333">BB bets $4.50</font>, <font color="#CC3333">Hero raises to 12.0</font>, <font color="#CC3333">BB raises All-In $30.15</font>, Hero ???

Someone please tell me what kinds of things i should be thinking before i come to a decision.