01 - Heat oven to 350°F (180°C).
02 - In a large mixing bowl, thoroughly combine shredded chicken, softened cream cheese, shredded cheddar cheese, ranch seasoning mix, and milk until evenly blended.
03 - Fold in half the crumbled bacon until just incorporated.
04 - Transfer chicken mixture to a baking dish and bake uncovered for 20 to 25 minutes, or until bubbling and heated through.
05 - Stir the hot mixture, then portion onto the bottom halves of sandwich buns.
06 - Top with remaining bacon and add pickles, lettuce, or tomato as desired. Cover with top buns and serve warm.