25NL AK hand 300bb deep

[Das Budrick]

villain is 48/4.4/2 over 80 hands
he has been limping a lot, no other reads

Full Tilt No-Limit Hold'em, $0.25 BB (6 handed) Full Tilt Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

<font color="#C00000">Hero ($74.80)</font>
MP ($29.65)
CO ($76.15)
Button ($27.60)
<font color="#C00000">SB ($74.10)</font>
BB ($46.05)

Preflop: Hero is UTG with A[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Hero raises to $1</font>, MP calls $1, <font color="#666666">2 folds</font>, SB calls $0.90, <font color="#666666">1 fold</font>.

Flop: ($3.25) K[img]/images/graemlins/spade.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">Hero bets $2.2</font>, MP folds, SB calls $2.20.

Turn: ($7.65) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
SB checks, <font color="#CC3333">Hero bets $5</font>, <font color="#CC3333">SB raises to $10</font>

i would like to know what you guys think is the best way to handle this when we are this deep