200NL Value betting weak ace at the river
 

Villan is 35/7/1

I have been bullying the table since I sat down and Villan seams to be pretty tight from SB but as well tired of me raising him every time from the Button. Is there any value in betting that river and do I call his reraise and hope for a split here?

Party Poker No-Limit Hold'em, $ BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

BB ($200)
UTG ($192.70)
MP ($188)
Hero ($528.70)
SB ($340)

Preflop: Hero is Button with A[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $1.
<font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises to $8</font>, SB (poster) calls $7, <font color="#666666">1 fold</font>.

Flop: ($18) 4[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $10</font>, SB calls $10.

Turn: ($38) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

River: ($38) 4[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $15</font>, <font color="#CC3333">SB raises to $45</font>

Any comments are welcome