Green Goddess Meatballs

Name: Green Goddess Meatballs
Ingredients: 1 small garlic clove, smashed, peeled; 1/2 c. low-fat Greek yogurt; 1/2 c. mayonnaise; 1/2 c. packed fresh parsley, coarsely chopped; 1/4 c. fresh tarragon, coarsely chopped; 1/4 c. thinly sliced chives; 1 tsp. finely grated lemon zest; 1 tbsp. fresh lemon juice; 1/2 tsp. fish sauce or 1 anchovy fillet; Kosher salt; Freshly ground black pepper; 1 large egg; 1/2 c. panko breadcrumbs; 1 tsp. kosher salt; 1 lb. ground chicken; Cooking spray; Cooked orzo, for serving (optional)