First hand, opp is loose/fairly aggressive. Standard? How much should I raise on the flop?

PokerStars No-Limit Hold'em, $1.00 BB (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

Button ($106.15)
SB ($94.70)
BB ($81.70)
UTG ($75.10)
MP ($227.35)
Hero ($112.05)

Preflop: Hero is CO with K, K.
UTG calls $1, 1 fold, Hero raises to $5, 2 folds, BB calls $4, UTG calls $4.

Flop: ($15.50) T, 9, 4 (3 players)
BB checks, UTG bets $9, Hero raises to $29, BB folds, UTG calls $20.

Turn: ($73.50) A (2 players)
UTG bets $41.1 (All-In), Hero calls $41.10.

This villain is 23/8/1.8 and is playing with me on 3 of the 6 tables I'm playing and doesn't get out of line. No idea what he thinks of me but at this table this is the 2nd round in a row i've 3bet from co/button. Anybody ever play this different?

PokerStars No-Limit Hold'em, $1.00 BB (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG ($101.10)
MP ($159.70)
Hero ($97.75)
SB ($18.40)
BB ($38.70)

Preflop: Hero is Button with K, K.
UTG raises to $4, 1 fold, Hero raises to $14, 2 folds, UTG calls $10.

Flop: ($29.50) J, 2, Q (2 players)
UTG checks, Hero bets $21, UTG calls $21.

Turn: ($71.50) 5 (2 players)
UTG checks, Hero bets $62.75 (All-In)