Place chicken in a 6-qt. electric pressure cooker; sprinkle with poultry seasoning. Top with onion and tomatoes. In a small bowl, mix tomato sauce, barbecue sauce, water, orange juice and seasonings; pour over top.
Lock lid; close pressure-release valve. Adjust to pressure-cook on high for 10 minutes. Quick-release pressure. A thermometer inserted in chicken should read at least 170° If desired, serve with rice. Freeze option: Place cooked chicken mixture in freezer containers. Cool and freeze. To use, partially thaw in refrigerator overnight. Microwave, covered, on high in a microwave-safe dish until heated through, gently stirring and adding a little water if necessary.