How badly did I play this hand...?

Villian just sat down, so no reads. How poorly did I play this? Comments on all streets appreciated... should I fold AQo UTG, raise it or limp it? Not long been at table so no reads on how everybody plays...

Party Poker No-Limit Hold'em, $ BB (9 handed) converter

MP3 ($20.75)
CO ($62.90)
Button ($29.90)
SB ($23.45)
BB ($3.44)
Hero ($24.40)
UTG+1 ($15.86)
MP1 ($9.75)
MP2 ($22)

Preflop: Hero is UTG with Q[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $0.10.
Hero calls $0.25, <font color="#666666">3 folds</font>, MP3 calls $0.25, CO calls $0.25, Button calls $0.25, <font color="#666666">1 fold</font>, BB checks.

Flop: ($1.35) A[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
BB checks, Hero checks, MP3 checks, CO checks, <font color="#CC3333">Button bets $0.5</font>, BB folds, Hero calls $0.50, MP3 calls $0.50, CO folds.

Turn: ($2.85) 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $1.5</font>, MP3 calls $1.50, Button folds.

River: ($5.85) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $6</font>, MP3 calls $18.50 (All-In), Hero calls $12.50.

Final Pot: $42.85

Results in white below: <font color="#FFFFFF">
Hero has Qc Ah (three of a kind, aces).
MP3 has As 2c (full house, aces full of twos).
Outcome: MP3 wins $42.85. </font>