3 barrel turns into...?

[captainwacky]

villain is unknown, only history is I showed down AA v him earlier. it's likely I have the best hand, but is there any merit in letting him make some sort of bluff?
PokerStars No-Limit Hold'em, $4 BB (6 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($1067.25)
Hero ($386)
MP ($406.75)
CO ($619.70)
Button ($517.80)
SB ($396)

Preflop: Hero is UTG with A[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img].
<font color="#CC3333">Hero raises to $14</font>, <font color="#666666">1 fold</font>, CO calls $14, <font color="#666666">3 folds</font>.

Flop: ($34) 3[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $25</font>, CO calls $25.

Turn: ($84) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $68</font>, CO calls $68.

River: ($220) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $279 (All-In)</font>, CO folds.

Final Pot: $-59