100NL AQ becomes 2nd pair on river, valuebet?

[Panic__NL]

Villian is 44/6/1 over 406 hands, wtsd 29%, ur regular calling station.
I am 21/19/3

Do we valuebet the river?

iPoker No-Limit Texas Hold'em (NL100), $1.00 BB (3 handed) SilverKitty Hand History converter by www.pokeronline.com.ua

Button($170.53)
SB ($30)
Hero($136)

SB: Post SB $0.50
Hero: Post BB $1.00

Preflop:
Hero is BB with Q[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img]
Button Call $1
<font color="#666666">1 folds</font>
Hero Raise $3.5
Button Call $3.5

Flop:($9.5) Q[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/diamond.gif[/img]<font color="#0030DD">(2 players)</font>
Hero Bet $8
Button Call $8

Turn:($25.5) 4[img]/images/graemlins/spade.gif[/img]<font color="#0030DD">(2 players)</font>
Hero Bet $20.5
Button Call $20.5

River:($66.5) K[img]/images/graemlins/spade.gif[/img]<font color="#0030DD">(2 players)</font>
Hero ?