($24) 77 vs. an aggro player. Line check

[Pocketbear]

Full Tilt Poker
No Limit Holdem Tournament
Blinds: t60/t120
6 players
Converter

Stack sizes:
Hero: t2300
UTG+1: t2995
CO: t2355
Button: t1260
SB: t1640
BB: t2950

Pre-flop: (6 players) Hero is UTG with 7[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/spade.gif[/img]
<font color="#cc0000">Hero raises to t300</font>, 4 folds, BB calls t180 <font color="aaaaaa">(pot was t480)</font>.

Flop: 5[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/club.gif[/img] 8[img]/images/graemlins/club.gif[/img] (t660, 2 players)
<font color="#cc0000">BB bets t360</font>, Hero calls t360 <font color="aaaaaa">(pot was t1020)</font>.

Turn: 3[img]/images/graemlins/heart.gif[/img] (t1380, 2 players)
BB checks, <font color="#cc0000">Hero bets t500</font>, BB calls t500 <font color="aaaaaa">(pot was t1880)</font>.

River: 6[img]/images/graemlins/spade.gif[/img] (t2380, 2 players)
BB checks, <font color="#cc0000">Hero bets t600</font>.

The villain is an aggro (39/22 after 47 hands) losing regular who makes a lot of fancy plays when he still has the stack. He loves to call raises with Ax and broadway cards. How is my line?