Top pair overplayed?

[Scipio]

Villain is loose passiv with 40/8/1,1/28 stats.

My thought was that A3/A5 is a big part of his range that is calling a Riverbet. Also people like this call with some made-trashhands sometimes. Do you think that villain often calls with AK/AQ/AJ on this flop?

Poker Room skin
No Limit Holdem Ring game
Blinds: $3/$6
5 players
Converter

Stack sizes:
UTG: $499.65
Hero: $705.65
Button: $614.70
SB: $440.90
BB: $1.269.20

Pre-flop: (5 players) Hero is CO with A[img]/images/graemlins/heart.gif[/img] T[img]/images/graemlins/heart.gif[/img]
UTG folds, <font color="#cc0000">Hero raises to $24</font>, Button folds, SB calls, BB folds.

Flop: 4[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] ($54, 2 players)
SB checks, <font color="#cc0000">Hero bets $33</font>, SB calls.

Turn: A[img]/images/graemlins/diamond.gif[/img] ($120, 2 players)
SB checks, <font color="#cc0000">Hero bets $84</font>, SB calls.

River: 9[img]/images/graemlins/heart.gif[/img] ($288, 2 players)
SB checks, <font color="#cc0000">Hero bets $160</font>, SB calls.

Results:
Final pot: $608