Using the stove to oven method helps keep the chicken moist. When you sear the chicken first on the stove, it will help create a lot of flavor but also will seal the outside to help prevent juices from running out. It's also important not to overcook the chicken. Check the chicken with a meat thermometer at the lower time variance and bake a couple more minutes if needed. It's important not to overcook the chicken because that's the most common reason for dry chicken.