1/2 KQo (semi) bluff

[Rednas]

Villain is 38/14/1.1 wtsd 33% (400 hands)

Only hand this session between us Villain raised 87o in MP, I 3-bet AQo in CO and bet flop and turn (245r J). Villain donked a 4 river and I called.

Everest 1/2 FL Hold'em (6 handed)

Preflop: Hero is MP with K[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/diamond.gif[/img]
<font color="#CC3333">UTG raises</font>, Hero calls, <font color="#666666"> 3 folds</font>, BB calls.

Flop: (7 SB) 3[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks,<font color="#CC3333"> UTG bets</font>, Hero calls, BB folds.

Turn: (5.50 BB) T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets</font>, <font color="#CC3333"> Hero raises</font>, UTG calls.

River: (9.50 BB) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333"> Hero bets</font>

Preflop I didn't know what to do, 3-bet?

On the turn I tried to make him fold, but I guess he could call with a gutshot or a weak pair and give up on the river.
Is this a good line?