.5/1 top pair on 3-flush flop

[pena]

opp is Loose-passive-aggressive (30/0/2.4)

Top pair on dangerous flop.
I should fold at least on turn, right?

Poker Stars
Limit Holdem Ring game
Limit: $0.50/$1
9 players
Converter

Pre-flop: (9 players) Hero is SB with K[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img]
UTG calls, UTG+1 calls, 5 folds, <font color="#cc0000">Hero raises</font>, BB folds, UTG calls, UTG+1 calls.

Flop: T[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/heart.gif[/img] (7SB, 3 players)
<font color="#cc0000">Hero bets</font>, <font color="#cc0000">UTG raises</font>, UTG+1 folds, Hero calls.

Turn: 3[img]/images/graemlins/diamond.gif[/img] (5.5BB, 2 players)
Hero checks, <font color="green">Opp thinks quite a long time and finally bets.
I've noticed, it's tell player might be holding a good hand, but some reason I never trust it.
</font><font color="#cc0000"> UTG bets</font>, Hero calls.

River: Q[img]/images/graemlins/club.gif[/img] (7.5BB, 2 players)
Hero checks, <font color="#cc0000">UTG bets</font>, Hero calls.

Results:
Final pot: 9.5BB