I am so stupid!!!!

[Siingo]

I did this very stupid riverbet! Was it right to fold this after this or did I do 2 big misstakes in this hand?!?!
I am so stupid stupid stupid stupid stupid stupid stupid stupid stupid stupid stupid stupid stupid stupid stupid [img]/images/graemlins/tongue.gif[/img]!

Party Poker No-Limit Hold'em, $ BB (8 handed) FTR converter on zerodivide.cx

CO ($70.55)
Hero ($69.10)
SB ($46.90)
BB ($88.30)
UTG ($52.70)
UTG+1 ($155.30)
MP1 ($49.95)
MP2 ($19.60)

Preflop: Hero is Button with K[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $0.25.
<font color="#666666">5 folds</font>, <font color="#CC3333">Hero raises to $1.5</font>, <font color="#666666">1 fold</font>, BB calls $1.

Flop: ($3.25) 8[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $1.5</font>, BB calls $1.50.

Turn: ($6.25) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $3</font>, <font color="#CC3333">BB raises to $8</font>, <font color="#CC3333">Hero raises to $20</font>, BB calls $12.

River: ($46.25) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $8</font>, BB calls $65.30 (All-In), Hero folds.

Final Pot: $119.55