NL50 - Line check with QQ, call this down on river??

[CazicT]

Reads
22/4/1.67 - 90 Hands

Not sure whether I like my line here, should I have b/f the river? Do I call this down here? Most of his range is beating me from what I can tell...

PokerStars No-Limit Hold'em, $0.50 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

SB ($16.35)
BB ($42.60)
UTG ($53.75)
UTG+1 ($78.05)
MP1 ($21.45)
MP2 ($16.55)
<font color="#C00000">Hero ($55.40)</font>
CO ($31.35)
<font color="#C00000">Button ($28.25)</font>

Preflop: Hero is MP3 with Q[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises to $2</font>, <font color="#666666">1 fold</font>, Button calls $2, <font color="#666666">2 folds</font>.

Flop: ($4.75) 6[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $3</font>, Button calls $3.

Turn: ($10.75) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Button checks.

River: ($10.75) 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $6</font>, Hero ...