making trips in poker

from a late position with many limpers, i have no problem calling w K9 . . . in fact, 9 is the worst kicker i'll call coupled with a King. making a set is when you got the problem however. if two players check before you, and you bet, and your bet is re-raised, it's time to consider throwing away your set. i like sets better when one of the community cards complements your wired pair