I really think the way for the Rams to get the most out of Todd next season is to hand him the keys to the bus. Tell him he's the workhorse and the focal point of the running game. Having a utilization plan (touches per game) decide how much he played didn't work in 2019 and probably did more harm than good.
He's an All-Pro and has led his team to a Super Bowl. HE should be trusted to tell McVay when he can't go - and shouldn't have the distraction of looking over his shoulder after every play...