$200 NL - I Suck at Three Bet Pots?

[Sciolist]

I think my biggest leak is playing three bet pots properly. Like this. Is this right? If not, why? If so, is this the biggest hand you'd fold here?

Full Tilt Poker - No Limit Hold'em Cash Game - $1/$2 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $200.00
Hero (BB): $434.35
UTG: $320.50
MP: $293.10
CO: $337.75
BTN: $197.00

Preflop: Hero is dealt J[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/heart.gif[/img] (6 Players)
3 folds, <font color="red">BTN raises to $7.00</font>, SB folds, <font color="red">Hero raises to $22.00</font>, BTN calls $15.00

Flop: ($45) 2[img]/images/graemlins/heart.gif[/img] 4[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $24.00</font>, <font color="red">BTN raises to $75.00</font>, Hero folds
Uncalled bet of $51.00 returned to BTN

Pot Size: $93.00 ($3 Rake)