Line check 50NL: Was I a calling station?

[DonkeyOnTilt]

Villain was 54.55 / 22.73 / 13 after 22 hands

My thinking is he has two overcards approx. 100% of the time. I think I should have raised the flop, but as played is calling the river shove ok?


PokerStars $0.25/$0.50 No-Limit Hold'em - 6 players
Hand Converter Tool from DeucesCracked.com

BB: $5.75
UTG: $21.95
MP: $43.30
CO: $63.80
Button: $99.40
SB: $23.20

Preflop: Hero is Button with 3[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/club.gif[/img]
UTG folds, MP folds, CO folds, <font color="#FF0000">Hero raises to $2</font>, SB calls $1.75, BB folds.

Flop: ($4.50) 2[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#FF0000">SB bets $2</font>, Hero calls $2.

Turn: ($8.50) 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#FF0000">SB bets $3</font>, Hero calls $3.

River: ($14.50) 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#FF0000">SB bets $16.20 (all in)</font>, Hero calls $16.20.

Final Pot: $46.90