Weak tight in blind battle

[Tryptamean]

So, villian is a solid tag. He has been tricky against me in blind battles in the past. I have not seen him screwplay the turn, but I assume this play is in his arsenal. I was planning on calling most rivers, but I changed my mind on this particular river.

PokerStars 30/60 Hold'em (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is BB with A[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/heart.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">SB raises</font>, Hero calls.

Flop: (4 SB) 2[img]/images/graemlins/diamond.gif[/img], 8[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, Hero calls.

Turn: (3 BB) 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, Hero checks.

River: (3 BB) J[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">SB bets</font>, Hero folds.

Final Pot: 3 BB