Big Blind makes top pair and then two pair; go broke in unraised pot??

[tbaarslag]

Villain is 60/5/3(100).

PokerStars No-Limit Hold'em, $1 BB (5 handed)

SB ($158.50)
Hero ($90.00)
UTG ($304.85)
MP ($105.55)
Button ($108.95)

Preflop: Hero is BB with K[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/spade.gif[/img].
UTG calls $1, MP calls $1, <font color="#666666">1 fold</font>, SB completes, Hero checks.

Flop: ($4) 4[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets $1.5</font>, <font color="#CC3333">Hero raises to $8.5</font>, UTG calls $8.50, MP folds, SB folds.

Turn: ($22.50) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $17</font>, UTG calls $17.

River: ($56.50) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $37</font>, UTG calls $37.

Final Pot: $130.50

I am unsure about every street. It seems I have to slow down somewhere, do I?

[uminchu]

check call turn check call river probably

[orange]

eh? played fine.

[Peeda]

yeah checking turn seems like a huge mistake, so many draws he'll call down with. river is debatable i guess but I think bet is best, guy seems like he's terrible and will look up super light here.