CHICAGO — A Chicago alderman has proposed an ordinance that would establish the minimum pay of ride-share drivers in the city, drawing concern from companies like Uber and Lyft that say such regulations would hit riders’ wallets the hardest. Alderman Roderick Sawyer, 6th, introduced the measure that would make sweeping changes to the city laws that govern ride-share services — including driver compensation. His proposal was lauded by a gig workers’ group that said it was time their drivers got more protections after weathering two years of the COVID-19 pandemic. “We’re not trying to wrest powe…