* The Lone Ranger TV series ran from 1949 to 1957, starring Clayton Moore as the Lone Ranger and Jay Silverheels as Tonto.
* Rock Hudson rose to fame in the 1950s, primarily in films. His most famous film roles were in "Giant" (1956), "Pillow Talk" (1959), and "Magnificent Seven" (1960).
It's possible you might be thinking of a different Western series or confusing Rock Hudson with another actor.