Originally Posted by Ric
I believe Bermuda will grow in Tenn. So you might try Bermuda as a perennial turf along with a Rye or millet as a quick fix. I am not sure if Perennial Peanuts grow in your area but they are great for hills, both eroision control and maintenances. Perennial peanuts grow low to the ground and can be mowed or weed eaten once maybe twice a year.
I agree on Bermudagrass. Getting a little late for it though, so some annual ryegrass to stabilize until the spring. That's not that steep a hill, so should not be a problem.