PP100 6-max top-two vs double-check-raise

[bingledork]

How often am I ahead here? Villian's double-check-raise screams set, but I've got top-two,
which makes we wonder he may be a donk playing QJ, AT, KK, etc.

Party Poker No-Limit Hold'em, $1 BB (6 max, 5 handed) converter

Hero ($118.11)
Button ($201.73)
SB ($74.78)
BB ($86.30)
UTG ($136.75)

Preflop: Hero is MP with T[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/diamond.gif[/img]. SB posts a blind of $0.50.
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $4</font>, <font color="#666666">1 fold</font>, SB (poster) calls $3.50, <font color="#666666">1 fold</font>.

Flop: ($9) 9[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $6</font>, <font color="#CC3333">SB raises to $12</font>, Hero calls $6.

Turn: ($33) 4[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $15</font>, SB raises to $58.78 (All-In), Hero ...

Am I ahead here 33% of the time?