Facing competition from both established brands and upstarts like Dave's Hot Chicken, the Yum Brands-owned chain is leaning into its origin story.

With the name "Kentucky Fried Chicken," you'd think the chain wouldn't serve any grilled variants. However, KFC has a grilled chicken history worth exploring.

Yelp has gathered data to determine the most popular chicken sandwich chains in the U.S. See where your favorite fast food ...