game:1-2 no limit
my stack: $350 Villain: $120
-no special read on how villain plays. certainly not tight, but havent seen him showdown any real bluffs or anything.

i have AK and i raise to $10 from middle pos and small blind 3 bets to $22 and i call in position.
flop comes down 632 and small blind checks, i bet $23 and small blind calls.
turn card comes a 6 and it goes check/check.
river comes a 7 and small blind leads into me for $30.

WHAT DO I DO WITH AK HIGH?
WHAT COULD THE SMALL BLIND HAVE ACCORDING TO HOW HE'S PLAYED THE HAND THUS FAR?
GIMME YOUR THOUGHTS ON THESE TWO QUESTIONS!