Is this too weak for blind defense?

[Rounder 24/7]

Villian had raised the last 4/4 hands from this position.

Cryptologic 2.00/4.00 Hold'em <font color="#0000FF">(6 handed)</font> link

Preflop: Hero is SB with 5[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">Button raises</font>, <font color="#CC3333">Hero 3-bets</font>, <font color="#666666">1 folds</font>, Button calls.

Flop: (7.00 SB) K[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/club.gif[/img], J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">Button raises</font>, Hero calls.

Turn: (5.50 BB) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets</font>, Hero calls.

River: (7.50 BB) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">Button raises</font>, Hero calls.

Final Pot: 11.50 BB.

[Flintoff]

i think it is

[sweetjazz]

I still wouldn't 3bet here with K5s, it's just not a strong hand. As played, I would just check/call the river. He's going to value bet worse hands that will call your river bet, but he will raise his strongest hands. However, he is aggressive enough that you must call and hope he is bluff raising with absolute air. Note that the primary draw came in on the river, giving you more reason not to bet out on the river. (By contrast, if you had QT, this would be a great spot to bet the river with the intention of 3betting.)

[Rounder 24/7]

as played betting the river, is folding possible? I think that was my intention when betting out ... but still ended up calling.

[danzasmack]

edit: just ate lunch

don't bet/fold the river. you're not gonna fold for 1 bet more and you are basically opening yourself up there. Check/call.

[pmiranda.pt]

Folding the river, in FL, when the pot is big, you are HU and you only have to put one more bet is wrong. I see a lot of that and still don't understand why, do I pray for lot of players like that at my table.
You shouldn't have bet the river in the first place, just check\call, there are not many bet for value plays in the river, unless you have the nuts. I usually check\call when I do not have the nuts unless I'm up against a very week player that is a calling station.

Also have some dough if defending the blind, from de SB, is EV+ in the long run.

[jba]

there is no reason to bet the river here. I would also wait for a better hand to defend with.