What we do against resistance?

[recallme]

Villain is tag-slighlty lag ( 20/16-27/21 with AF 2.5-4)

Cryptologic
No Limit Holdem Ring game
Blinds: $2/$5
6 players
Converter

Stack sizes:
UTG: $522
UTG+1: $700
CO: $537
Hero: $500
SB: $500.30
BB: $386.90

Pre-flop: (6 players) Hero is Button with A[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/club.gif[/img]
UTG folds, 2 folds, <font color="#cc0000">Hero raises to $18</font>, SB calls1 folds

Flop: T[img]/images/graemlins/heart.gif[/img] 2[img]/images/graemlins/heart.gif[/img] K[img]/images/graemlins/spade.gif[/img] ($41, 2 players)
Now i would to discuss some lines which Villain takes and i would like to know how you respond?

1. V. checks, Hero bets 33, V raises to 100, Hero...
Are we folding or calling and folding to a turn lead?
2. V. bets 33, Hero ?
Raise to 100 and fold to a 3bet, call him down?

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What changes if flop is rainbow?