Jack in the Box, an insomniac- friendly burger chain, is in the process of opening a Milledgeville location.Tradesmen currently are working on the building at 1671 North Columbia St., previously home to Freddy’s Frozen Custard & Steakburgers. A group called Milledgeville Custard LLC purchased the 3.24-acre property in 2017 for $320,000, and Freddy’s opened the following year. Tha...