Preheat oven to 450°; remove chicken from all packaging, including paper + add chicken with juices (if desired) to a baking dish; bake 25-28 min until hot + skin is golden brown

Meanwhile, add potatoes to a large microwave-safe bowl, cover + microwave 4 min; stir potatoes, cover + microwave 3-5 min; spread out on a sheet pan or run under cold water to quickly chill (pat dry); add to a bowl with 2 containers ranch, diced pickles, diced eggs + salt/pep; stir to combine, mashing potatoes slightly

Add chicken + potato salad to plates