Villain was tag.I often don't know what to do withthose minraises when my hand is not that good.

Party Poker No-Limit Hold'em, $ Hero (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($67.27)
MP2 ($17.20)
MP3 ($137.34)
CO ($38.33)
Button ($52.03)
SB ($40.60)
Hero ($63.05)
UTG ($47.75)
UTG+1 ($39.14)
UTG+2 ($10)

Preflop: Hero is BB with K, T. SB posts a blind of $0.25.
5 folds, MP3 calls $0.50, 1 fold, Button calls $0.50, SB (poster) completes, Hero checks.

Flop: ($2) 3, 5, T (4 players)
SB checks, Hero bets $1.5, MP3 raises to $3, Button folds, SB folds,

Final Pot: $6.50