one more 100 NL JJ fiasco...please flame away

[ssnyc]

don't like my bets here so please give me a better betting line...do I check this turn? Lastly am I ever good here? Is he making a play based on my weakness?

Poker Stars
No Limit Holdem Ring game
Blinds: $0.50/$1
8 players

UTG: $143.70
UTG+1: $143
Hero: $188.65
MP2: $83.80
CO: $110.60
Button: $100
SB: $100
BB: $116.95

Pre-flop: (8 players) Hero is MP1 with J[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/spade.gif[/img]
UTG calls
UTG+1 folds
Hero raises to $6
5 folds
UTG calls.

Flop: ($13.5) K[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/spade.gif[/img] T[img]/images/graemlins/heart.gif[/img] (2 players)
UTG checks
Hero bets $8
UTG calls.

Turn: ($29.5) 7[img]/images/graemlins/club.gif[/img] (2 players)
UTG checks
Hero bets $15
UTG raises to $40
Hero folds

Uncalled bets: $25 returned to UTG.

Results:
Final pot: $59.5