01 - Preheat oven to 350°F.
02 - In a large mixing bowl, combine shredded chicken, cream cheese, cheddar cheese, ranch seasoning mix, and milk. Mix until smooth and evenly blended.
03 - Gently fold in half of the crumbled bacon until distributed.
04 - Transfer the chicken mixture to a baking dish and bake uncovered for 20 to 25 minutes, until the mixture is hot and bubbling.
05 - Stir the baked mixture and portion it onto the bottom half of each sandwich bun.
06 - Top with remaining bacon and add pickles, lettuce, or tomato if desired. Cover with the top bun and serve warm.