Is this too weak?

[freedom18]

Villan is 43/2.2/9/60 he calls each of my bets fairly fast then puts in this river raise im not sure how to respond to, I think its a close call, i'm sorry i've been losing lately so i really have no clue if this is an obvious call

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players
Converter

Pre-flop: (6 players) Hero is BB with A[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/diamond.gif[/img]
UTG folds, UTG+1 calls, 3 folds, 3 folds, <font color="#cc0000">Hero raises to $2.5</font>, UTG+1 calls.

Flop: K[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/heart.gif[/img] ($5.25, 2 players)
<font color="#cc0000">Hero bets $4</font>, UTG+1 calls.

Turn: 5[img]/images/graemlins/club.gif[/img] ($13.25, 2 players)
<font color="#cc0000">Hero bets $9</font>, UTG+1 calls.

River: 7[img]/images/graemlins/club.gif[/img] ($31.25, 2 players)
<font color="#cc0000">Hero bets $15</font>, <font color="#cc0000">UTG+1 raises all-in $57.1</font>, Hero folds.
Uncalled bets: $42.1 returned to UTG+1.

Results:
Final pot: $61.25

[orange]

yeah this is pretty horrible. instacall river.

i also bet the river harder.

[mathemagician54]

yeah i agree with orange