Trust me, take a long-shot, others will agree, I'm sure. KC ML must have been at least -250, so you'll be lucky to get $10 if it wins, then you need to roll it over.
You'd be better off playing the dog ( freeplay) and fav elsewhere for an instant profit, assuming fav wins, which is over 75% likely on a large fav.You'd need to lay perhaps $60 on the fav, though !