Tzatziki Chicken Salad

Name: Tzatziki Chicken Salad
Cuisine: European, Mediterranean, Greek
Ingredients: For the Salad:; 2 cups cooked chicken (shredded or diced; rotisserie chicken works great); 1 cup cucumber (diced); 1 cup cherry tomatoes (halved); 1/2 red onion (thinly sliced); 1/4 cup Kalamata olives (optional, for extra Mediterranean flair); 2 tablespoons fresh dill (chopped, or 1 teaspoon dried dill); 2 tablespoons fresh parsley (chopped); For the Tzatziki Dressing:; 1 cup plain Greek yogurt; 1/2 cup grated cucumber (squeeze out excess moisture with a paper towel); 1 clove garlic (minced); 1 tablespoon olive oil; 1 tablespoon lemon juice; 1 teaspoon red wine vinegar; Salt and pepper (to taste); Optional Add-Ins:; Feta cheese (crumbled); Avocado slices; Chickpeas (for added protein); Mixed greens (like spinach or arugula)