What do you think of this line? Very weak on the river?

[Karak567]

UTG 36.1/8.4/2 over like 50 hands (also note his 50 BB stack)

Party Poker No-Limit Hold'em, $ Hero (6 max, 6 handed) internettexasholdem.com

UTG ($113.58)
MP ($205.60)
CO ($323.20)
Button ($256.61)
SB ($202.85)
Hero ($200)

Preflop: Hero is BB with Q[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $1.
UTG calls $2, MP calls $2, <font color="#666666">1 fold</font>, Button calls $2, SB (poster) completes, Hero checks.

Flop: ($10) 6[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
SB checks, <font color="#CC3333">Hero bets $10</font>, UTG calls $10, MP folds, Button calls $10, SB folds.

Turn: ($40) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, UTG checks, Button checks.

River: ($40) Q[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets $30</font>, Button folds,UTG insta pushes, Hero folds.