To get a Totodile with Sheer Force you will need the Feraligatr to be one of two things
1. The mother, The mother has an 80% chance of passing her ability to her offspring.
2. If Male, breeding with a ditto you still have the chance to pass it down but not as likely unlike the mother
Breeding with any mon with its hidden ability and excepting it to have its hidden ability doesn't work like that.
Having a male seel with his HA and female Feraligatr with torrent will result always result in torrent Totodile