Bottom set on connected high card flop

[Ondas]

Opponent was 65/27, is there a legitimate case for folding here? Min-raise looks very suspicious on flop like this?


Poker Stars
No Limit Holdem Ring game
Blinds: $0.10/$0.25
5 players
Converter (http://www.neildewhurst.com/hand-converter)

Pre-flop: (5 players) Hero is BB with T/images/graemlins/spade.gif T/images/graemlins/diamond.gif
3 folds, <font color="#cc0000">SB raises to $1</font>, <font color="#cc0000">Hero raises to $3.25</font>, SB calls.

Flop: T/images/graemlins/club.gif J/images/graemlins/heart.gif K/images/graemlins/spade.gif ($6.5, 2 players)
SB checks, <font color="#cc0000">Hero bets $6.25</font>, <font color="#cc0000">SB raises to $12.5</font>, <font color="#cc0000">Hero raises all-in $22.4</font>, SB calls.

Turn: A/images/graemlins/heart.gif ($51.3, 1 player + 1 all-in - Main pot: $51.3)


River: 5/images/graemlins/spade.gif ($51.3, 1 player + 1 all-in - Main pot: $51.3)


Results:
Final pot: $51.3

[Low_Card2]

looks fine. He posibly has AQ but that is rare.

[InfectorGadget]

No, its fine. He could easily hav some two-pair, tp, bluff, Qx here, nh.

[MortenTA]

no [censored] way.. 3bet his ass AI on that flop all day