NL50: TPTK in 3bet pot --> fold?!?

[M.P.Rator]

PokerStars No-Limit Hold'em, $0.50 BB (6 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

BB ($32.25)
UTG ($30.20)
MP ($89.70)
Hero (CO) ($78.15)
Button ($37.80)
SB ($50)

Preflop: Hero is CO with :ad, :kd
1 fold, MP raises to $2, Hero raises to $7, 3 folds, MP calls $5

Flop: ($14.75) :kh, :4h, :qd (2 players)
MP bets $8.50, Hero calls $8.50

Turn: ($31.75) :qh (2 players)
MP bets $20, Hero folds

Total pot: $31.75 | Rake: $1.55

villain: 25/19.5/3.6 über 144 hände

ich weiss, TPTK in 3bet pot = nuts, aber trotzdem WTF??
was um alles in der welt bettet der typ auf diese weise? ich seh mich hier nicht vorne.