Hi Ilia,
Chi Lin and the Fu Dogs both symbolize protection and security for all those who live within the home. It's true, Marie does not address it specifiaclly in the course. If the intention is for protection of the home, Chi Lin should suffice.
Another way to check in would be to muscle test for yourself. You are the one who lives in the home and has the direct experience. Check in with your unconscious sensibilities.
All the best,
Kat