Nut Straight, Nut Flush Draw & Turn Decision

[Origami]

Only have 20 hands with villain who has been very active. He just lost a tough hand a couple of hands ago and may be steaming.

Party Poker
Pot Limit Omaha Ring game
Blinds: $0.25/$0.50
9 players
Converter

Stack sizes:
UTG: $50
UTG+1: $109.96
MP1: $76.95
MP2: $49.70
MP3: $49
CO: $46.36
Button: $19.50
Hero: $44.25
BB: $33.30

Pre-flop: (9 players) Hero is SB with 6[img]/images/graemlins/spade.gif[/img] Q[img]/images/graemlins/heart.gif[/img] 7[img]/images/graemlins/spade.gif[/img] J[img]/images/graemlins/heart.gif[/img]
UTG calls $0.5, 2 folds, MP2 calls $0.5, MP3 folds, CO calls $0.5, Button calls $0.5, Hero calls $0.25, BB checks.

Flop: K[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/heart.gif[/img] ($3, 6 players)
<font color="#cc3333">Hero bets $2.85</font>, BB calls $2.85, 4 folds.

I assume potting this flop is standard.

Turn: K[img]/images/graemlins/heart.gif[/img] ($8.7, 2 players)

Board pairs giving me a nut flush draw. I really don't know what to do in this situation.

I HATE BEING OOP!!