ATs, do I keep beting this?

[TommyChong]

Villian is 19.6/2.9/1.08 over 100 hands

I figured he had the Q because he had to think for a bit before calling this. But he could have just had a low pocket pair and was calling with that. I have trouble with these.

Ultimate Bet 1/2 Hold'em (9 handed) FTR converter on zerodivide.cx

Preflop: Hero is MP3 with A[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/club.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">2 folds</font>, SB calls, <font color="#666666">1 fold</font>.

Flop: (5 SB) 4[img]/images/graemlins/diamond.gif[/img], Q[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

Turn: (3.50 BB) T[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

River: (5.50 BB) 5[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets</font>, SB calls.

Final Pot: 7.50 BB