100 NLline check please

[Weir]

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) pokerhand.org hand converter

BB ($66.35)
UTG ($165.10)
MP ($144)
Hero ($100)
Button ($100)
SB ($122.20)

Preflop: Hero is CO with 7[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $4</font>, <font color="#CC3333">Button raises to $12</font>, <font color="#666666">2 folds</font>, Hero calls $8.

Flop: ($25.50) 6[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets $18.5</font>, Hero calls $18.50.

Turn: ($62.50) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Button checks.

River: ($62.50) Q[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $30</font>, <font color="#CC3333">Button raises to $69.5</font>, Hero calls $39.50 (All-In).

Final Pot: $201.50

i think i totally donked this and probably should've check folded on the flop and as played maybe bet $2 on the river and fold to a raise, thoughts?