Hot Greek Salad
1 (15 ounce) can large black olives, drained 1 cucumber, cubed 1 cup orzo pasta 1 tablespoon Greek seasoning, or to taste 1 tomato, cubed 1 ½ tablespoons olive oil 2 cups fresh spinach 2 skinless, boneless chicken breast halves, c… 2 tablespoons sun-dried tomato vinaigrette 4 cloves garlic, crushed ¼ cup crumbled feta cheese