I did lose a monster pot once with quads to a straight flush (and there were 4 cards to the straight flush on the board), but theres still not a snowballs chance in hell Im folding four of a kind.
The odds are just as good that the SB has the
![The Ace of Diamonds [Ad]](https://www.pofex.com/images/smilies/Ad.gif)
as the
![The King of Diamonds [Kd]](https://www.pofex.com/images/smilies/Kd.gif)
. Just based on that alone and not knowing what the cutoff is going to do, youre getting 2:1 to call when its an even money proposition as to which high diamond he has.
If this was a no max buy in game and my entire bankroll was on the table, I might consider folding quads to an all in on this board. Short of that, Im not folding.