filled on turn, river play?

[liquid]

$100 PLO, 10-handed

Seat 4: Hero (UTG, $133) [9[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/diamond.gif[/img] 2[img]/images/graemlins/spade.gif[/img]]
Seat 5: Foe (UTG+1, $98)

PRE-FLOP
B1 posts blind ($1), B2 posts blind ($1), Hero calls $1, Foe calls $1, UTG+2 folds, MP1 calls $1, MP2 folds, MP3 folds, CO folds, Button folds, B1 checks, B2 checks.

(~$5) FLOP [4[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/diamond.gif[/img]]
B1 checks, B2 checks, Hero bets $5, Foe calls $5, MP1 calls $5, B1 calls $5, B2 folds.

(~$25) TURN [4[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/club.gif[/img]]
B1 checks, Hero bets $10, Foe calls $10, MP1 folds, B1 folds.

(~$45) RIVER [4[img]/images/graemlins/heart.gif[/img] 9[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/diamond.gif[/img]]

River line? Key considerations: (1) Foe has $82 behind. (2) Foe is unknown to me.

Critique of other streets welcome also.