A7o from the BB, six handed. Too loose PF?

[Songwind]

Other than the PF call I think I played it fine. This is my 3rd hand at the table, and Villain left a few hands later. So, not even any hindsight reads.

PokerStars 0.05/0.10 Hold'em (5 handed) converter

Preflop: Hero is BB with 7[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">UTG :#A500AF(Villain)/ raises</font>, MP calls, Button calls, <font color="#666666">1 fold</font>, Hero calls.

Flop: (8.40 SB) 4[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, <font color="#CC3333">Villain bets</font>, MP calls, Button folds, Hero calls.

Turn: (5.70 BB) 8[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">Villain raises</font>, MP calls, <font color="#CC3333">Hero 3-bets</font>, Villain calls, MP folds.

River: (13.70 BB) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">Villain raises</font>, Hero calls.

Final Pot: 17.70 BB