Middle stages of a $10+$1 SNG on Party when the following hand came up:

Party Poker No-Limit Hold'em Tourney, Big Blind is t50 (8 handed)

Hero (t1090)
UTG+1 (t640)
MP1 (t1570)
MP2 (t2060)
CO (t960)
Button (t740)
SB (t395)
BB (t545)

Preflop: Hero is UTG with , .
Hero calls t50, UTG+1 calls t50, 5 folds, BB checks.

This table had gotten very aggressive with 3 of the last 5 pots having someone move all-in preflop. I tried to set a trap with a limp but nobody bit so...

Flop: (t175) , , (3 players)
BB checks, Hero bets t175, UTG+1 folds, BB calls t175.

I was very unhappy that the BB called and had no idea what he might be holding. My gut told me I was in trouble...

Turn: (t525) (2 players)
BB checks, Hero bets t50, BB calls t50.

Why did I min. bet here? I really have no idea. I couldn't figure out what to do and this is where I'd really like some help.

River: (t625) (2 players)
BB bets [t320] , Hero calls t270.

Final Pot: t625

Results in white below:
BB has 3d 4s (three of a kind, threes).
Hero has Ks Kh (full house, kings full of threes).
Outcome: Hero wins t625.

All in all, I really played this hand poorly but the BB played it even worse. He got a free flop and nailed it. Then he tried to get cute.

My biggest quandry was 4th street. I was really lost at that point. Does he have a Q, 3, A high? The min bet was completely retarded by me because it simply opened up the betting again and wasn't going to give me any information on what I was up against. Thoughts? Flames?

You are right Nash, I feel pretty stupid for doing that. I guess that's why I posted, I need to have that point drilled in a little better. Thanks man.

No need to feel stupid -- someone's poker intelligence can be measured by how well they learn. This is a great chance for you to learn WHEN that can be a good play.

That play can be good if you are fairly sure that you're ahead, and your opponent is a "tricky" player who is willing to checkraise with a sorta-weak hand if he thinks that you are weak as well.

That kind of bet can still be a weapon in your arsenal, but in this case (when you are not ready to face lots of action), a check is probably in your best interests.