NL100: KQ, bluffraise flop vs LAG

[y_jason_y]

$100.00 No Limit Hold'em - 6 players - View hand 32712
The Official DeucesCracked.com Hand History Converter

CO: $72.05
Hero (BTN): $120.80
SB: $73.55
BB: $121.50
UTG: $115.55
MP: $72.10

Pre Flop: ($1.50) Hero is BTN with Q K
1 fold, MP raises to $3.50, 1 fold, Hero calls $3.50, 2 folds

Flop: ($8.50) 2 4 6 (2 players)
MP bets $5.00, Hero raises to $12.50, MP raises to $33, Hero folds

villain über 50 hände 32/27. (spielte in den blinds x-trem tight, ansonsten rel. loose).

pre fände ich gegen den im nachinein 3b besser. any toughts?
flop muss er imo auf den raise alles folden, ausser overpair.

folden LAGs in solchen spots generell AK oder ähnliches?