Remove bones and skin from chicken breasts.
Cut chicken into 3/4-inch pieces.
Mix chicken, soy sauce, oil, brown sugar, ginger and garlic in glass bowl.
Cover and refrigerate, stirring occasionally, at least 2 hours.
Prepare Peanut Sauce.
Remove chicken from marinade; reserve marinade.
Thread 4 or 5 chicken pieces on each of 14 to 16 bamboo skewers.
Brush chicken with reserved marinade.
Set oven control to broil and/or 550°.
Broil skewers with tops about 4 inches from heat 4 to 5 minutes; turn.
Brush with marinade.
Broil until chicken is done, 4 to 5 minutes.