HEAT greased grill to medium-high heat.
THREAD shrimp onto 8 skewers; sprinkle with seasoning, turning skewers to evenly coat both sides of each shrimp. Grill 3 min. on each side or until shrimp turn pink.
COVER 4 large plates with spinach; top with next 6 ingredients.
DRIZZLE with dressing; top with shrimp.