Grilled Shrimp Skewers with Avocado Cilantro Sauce - California Avocados

Ingredients

• Canola oil for brushing on grill
• 1 1/2 lb. large shrimp, peeled & deveined, tails intact
• 1 Tbsp. + 1 tsp. olive oil, divided
• ¾ tsp. kosher salt, divided
• ½ tsp. ground cumin
• ½ tsp. paprika
• ½ tsp. oregano
• ¼ tsp. garlic powder
• 24 grape tomatoes
• 1 fresh, California avocado, peeled, seeded and halved
• 1/3 cup plain nonfat Greek yogurt
• 7 Tbsp. nonfat milk
• 1 cup (packed) cilantro leaves and stems (not chopped)
• 1 garlic clove, minced or grated
• 1 small lime, juiced
• ¼ tsp. kosher salt