1. Trim fat from pork; cut pork into 3/4-inch cubes. Combine onion and next 7 ingredients in a large heavy-duty zip-top plastic bag. Add pork; seal bag, and shake until pork is well coated. Marinate pork in refrigerator 8 hours, turning bag occasionally.
2. Soak 8 (10-inch) wooden skewers in water for at least 30 minutes.
3. Prepare grill.
4. Combine 6 tablespoons water and next 5 ingredients in a small bowl, stirring well with a whisk. Set aside.
5. Remove pork from marinade; discard marinade. Thread pork onto skewers. Place skewers on grill rack coated with cooking spray; cover and grill 10 to 12 minutes or until pork is done, turning occasionally. Serve warm with peanut sauce.
carbo rating: 2