Heat 2 Tablespoon of the dressing in large skillet on medium-high heat. Add chicken; cook 5 minute on each side or until browned on both sides. Add remaining 2 Tablespoon dressing.
Meanwhile, place chiles, sour cream and bouillon cube in blender; cover. Blend until smooth.
Pour chile mixture over chicken in skillet; bring to boil. Reduce heat to medium-low; cover. Cook 10 minute or until chicken is cooked through (165 degrees F).