American Lamb Kebab Salad

Name: American Lamb Kebab Salad
Ingredients: 3/4 lb American Lamb leg meat, roasted and cut into 3/4-inch pieces; 1/2 lb feta cheese, cut into 3/4-inch pieces; 1 small red onion, cut into 1/2-inch pieces; 2 pints grape tomatoes (about 36); 4 oz. Kalamata olives, pitted (about 36); 4 cups micro or mixed greens; 2 cups hummus; 24 toasted pita chips; 4 tbsp lemon juice; 1 shallot, sliced; 1 chopped fresh parsley; 1 tbsp fresh oregano leaves; 2 tsp chopped garlic; pinch Salt and pepper; 3/4 cup extra-virgin olive oil