Any more value with AQ?

[DJ Sensei]

100NL, no reads.

Seat 1: Northman_57 ($51.10 in chips)
Seat 2: foppa1 ($125 in chips)
Seat 3: HeartOfGold. ($91.80 in chips)
Seat 4: Hero (CO) (A [img]/images/graemlins/spade.gif[/img]Q) ($95 in chips)
Seat 5: JohnnyD1965 ($149.60 in chips)
Seat 6: Wyern ($151.90 in chips)
Seat 7: I Gotta Push ($113.50 in chips)
Seat 8: UTG ($98.50 in chips)
Seat 9: osumondo ($92.20 in chips)
Seat 10: goobs21 ($112.40 in chips)



ANTES/BLINDS
Wyern posts blind ($0.50), I Gotta Push posts blind ($1).

PRE-FLOP
UTG calls $1, osumondo folds, goobs21 folds, Northman_57 calls $1, foppa1 folds, HeartOfGold. folds, Hero bets $5, JohnnyD1965 folds, Wyern folds, I Gotta Push folds, UTG calls $4, Northman_57 folds.

FLOP [board cards 8 [img]/images/graemlins/spade.gif[/img],A [img]/images/graemlins/club.gif[/img],9 [img]/images/graemlins/diamond.gif[/img] ] Pot = $12
UTG checks, Hero bets $7, UTG calls $7.

TURN [board cards 8 [img]/images/graemlins/spade.gif[/img],A [img]/images/graemlins/club.gif[/img],9 [img]/images/graemlins/diamond.gif[/img],K [img]/images/graemlins/diamond.gif[/img] ] Pot = $26
UTG checks, Hero bets $15, UTG calls $15.

RIVER [board cards 8 [img]/images/graemlins/spade.gif[/img],A [img]/images/graemlins/club.gif[/img],9 [img]/images/graemlins/diamond.gif[/img],K [img]/images/graemlins/diamond.gif[/img],7 [img]/images/graemlins/club.gif[/img] ] Pot = $56

UTG checks.

Is a value bet here a good plan, and if so, how much?