Hows my 3-bet sizing?

Villain is a fearless 42/20 who c-bets 100% of the time.

Also.. WTF on that little bet? Can Hero call and evaluate turn here?

PokerStars No-Limit Hold'em, $0.02 BB (9 handed) - PokerStars Converter Tool from FlopTurnRiver.com

MP2 ($2.74)
MP3 ($2.15)
CO ($1.30)
Button ($3.86)
SB ($0.78)
BB ($1.47)
UTG ($2)
UTG+1 ($1.38)
Hero (MP1) ($2.10)

Preflop: Hero is MP1 with A, K
UTG bets $0.08, UTG+1 calls $0.08, Hero raises to $0.28, 7 folds, UTG+1 calls $0.20

Flop: ($0.67) 4, 7, 8 (2 players)
UTG+1 bets $0.26, Hero ?