Having trouble with overcards

[Bobby Digital]

Out of any hand on the flop overcards always give me the most trouble. I'm still struggling somewhat to get out of the weak-tight mindset.

Raise the flop, check or bet the turn, bet the river?

Party Poker 0.5/1 Hold'em (10 handed)

Preflop: Hero is CO with A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/club.gif[/img].
UTG folds, UTG+1 calls, UTG+2 folds, MP1 calls, MP2 folds, MP3 folds, <font color="CC3333">Hero raises</font>, Button calls, SB calls, BB folds, UTG+1 calls, MP1 calls.

Flop: (11 SB) 6[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="blue">(5 players)</font>
<font color="CC3333">SB bets</font>, UTG+1 calls, MP1 calls, Hero calls, Button folds.

Turn: (7.50 BB) J[img]/images/graemlins/club.gif[/img] <font color="blue">(4 players)</font>
SB checks, UTG+1 checks, MP1 checks, <font color="CC3333">Hero bets</font>, SB folds, UTG+1 calls, MP1 calls.

River: (10.50 BB) 3[img]/images/graemlins/spade.gif[/img] <font color="blue">(3 players)</font>
UTG+1 checks, MP1 checks, Hero checks.

Final Pot: 10.50 BB
<font color="green">Main Pot: 10.50 BB, between Hero, UTG+1 and MP1.</font>