Mix the first 4 ingredients. Place pork chops in a 3-qt. slow cooker; top with sauce. Cook, covered, on low until meat is tender, 6-8 hours. , Remove pork and cut into bite-size pieces; keep warm. Transfer cooking juices to a saucepan; bring to a boil. Mix cornstarch and water until smooth; gradually stir into juices. Bring to a boil; cook and stir until thickened, 1-2 minutes. Stir in peanut butter. Add pork., Serve with rice. Sprinkle with green onions and peanuts. If desired, drizzle with lime juice and chili sauce.