Roark Capital, owner of Shelton-based Subway, acquires Dave’s Hot Chicken for $1 billion, expanding its fast-food portfolio.

Restaurant chain Dave's Hot Chicken is now owned by the same private equity firm that is behind Subway and Dunkin'.

Dave's Hot Chicken said Monday it has been acquired by the private equity firm Roark Capital in a deal valued at $1 billion. Dave's Hot Chicken got its start in 2017 as a popup in a Los Angeles parking lot.