PLO200: 2nd nut flush OOP

[Jurrr]

8-handed. PLO200. Villain is 50/7.9/1.85 over 127 hands. I've played some NLHE200 with him and he wasn't a total donk but also wasn't very good. No other reads.

Hero is CO with Q[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] and $200.

Villain is BTN and covers.

UTG+1 limps, Hero limps, villain limps, SB limps, BB checks.

Flop T[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] ($10)

3 checks, Hero bets $9, villain calls, SB calls, BB folds.

Turn 5[img]/images/graemlins/diamond.gif[/img] ($37)

SB checks, Hero checks, villain bets $24, SB folds, Hero calls.

River 2[img]/images/graemlins/spade.gif[/img] ($85)

Hero checks, villain bets $63, hero...?