NL-25 AA, value bet this river?

[CodyH]

PokerStars No-Limit Hold'em, $0.25 BB (6 handed) Hand History Converter Tool (http://poker-tools.flopturnriver.com/Hand-Converter.php) from FlopTurnRiver.com (http://www.flopturnriver.com) (Format: 2+2 Forums)

CO ($14.30)
Button ($28.95)
SB ($19.30)
BB ($55.55)
UTG ($28.90)
Hero ($24.65)

Preflop: Hero is MP with A/images/graemlins/club.gif, A/images/graemlins/diamond.gif.
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $1</font>, <font color="#666666">1 fold</font>, Button calls $1, <font color="#666666">2 folds</font>.

Flop: ($2.35) 9/images/graemlins/heart.gif, 7/images/graemlins/club.gif, J/images/graemlins/spade.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $1.75</font>, Button calls $1.75.

Turn: ($5.85) 7/images/graemlins/diamond.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $3.5</font>, Button calls $3.50.

River: ($12.85) 8/images/graemlins/spade.gif <font color="#0000FF">(2 players)</font>
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Hero?

I have no significant stats on villian. What is the standard move on the river here, thanks.

[Waingro]

Bet more on the turn. I like half pot on the river. That pair on the board is so good for your hand. With no history I fold if villain raises.

[CodyH]

Ok thanks, I bet the river and i was going to fold to a raise, i just wanted to make sure my line was good.