Grilled Chicken Bites with Creamy Garlic Sauce

For the Creamy Garlic Sauce:

· ½ cup Greek yogurt or sour cream
· ¼ cup mayonnaise
· 2 tablespoons lemon juice
· 3 garlic cloves, minced
· 1 tablespoon fresh dill, chopped (or 1 tsp dried)
· 1 tablespoon fresh parsley, chopped
· 2 tablespoons milk (to desired consistency)
· Salt and pepper to taste