How could I have played this better? NL10 (deep)

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The villain had just sat down. He was representing AQ, but I didn't believe it.

Full Tilt No-Limit Hold'em, $0.10 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

BB ($11.05)
UTG ($23.75)
MP1 ($20.05)
MP2 ($14.35)
<font color="#C00000">Hero ($25.75)[Ah, Kh]</font>
Button ($6.85)
<font color="#C00000">Villain ($22.55)</font>

Preflop:
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to $0.3</font>, <font color="#666666">1 fold</font>, Villain calls $0.25, <font color="#666666">1 fold</font>.

Flop: ($0.70) 3[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Villain checks, <font color="#CC3333">Hero bets $0.4</font>, <font color="#CC3333">Villain raises to $0.8</font>, Hero calls $0.40.

Turn: ($2.30) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Villain bets $1.1</font>, Hero calls $1.10.

River: ($4.50) 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Villain bets $2.2</font>, Hero calls $2.20.

Final Pot: $8.90