200NL Being a Vag with AA

[rakes.a.beach]

500 effective

Pre-flop: (6 players) Hero is SB with A[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img]
UTG calls, UTG+1 calls, 2 folds, <font color="#cc0000">Hero raises to $13</font>, BB folds, UTG calls, UTG+1 folds.

Flop: 7[img]/images/graemlins/heart.gif[/img] 3[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] ($30, 2 players)
<font color="#cc0000">Hero bets $18</font>, UTG calls.

Turn: T[img]/images/graemlins/club.gif[/img] ($66, 2 players)
<font color="#cc0000">Hero bets $45</font>, UTG calls.

River: J[img]/images/graemlins/diamond.gif[/img] ($156, 2 players)
Hero checks, <font color="#cc0000">UTG bets $55</font>


Stack sizes:
530 effective

Pre-flop: (6 players) Hero is Button with A[img]/images/graemlins/club.gif[/img] A[img]/images/graemlins/spade.gif[/img]
3 folds, <font color="#cc0000">Hero raises to $8</font>, SB folds, BB calls.

Flop: 6[img]/images/graemlins/diamond.gif[/img] T[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/spade.gif[/img] ($17, 2 players)
BB checks, <font color="#cc0000">Hero bets $15</font>, <font color="#cc0000">BB raises to $30</font>, Hero calls.

Turn: K[img]/images/graemlins/heart.gif[/img] ($77, 2 players)
<font color="#cc0000">BB bets $55</font>

These two hands happened back to back. I want to know how I should play the hands on all streets except for preflop. I hate how I played them.

Villian is 50/20/aggro. I haven't been paying attention so I don't know much else. Thanks for help.