Chickpea Shawarma Pitas with Hummus Dill Dressing

Name: Chickpea Shawarma Pitas with Hummus-Dill Dressing
Ingredients: 2 cups cooked or canned chickpeas, patted dry; 1 tablespoon olive oil; 1/2 teaspoon ground cumin; 1/4 teaspoon ground coriander; 1/4 teaspoon paprika; 1/8 teaspoon cayenne pepper; 1/8 teaspoon ground cinnamon; Kosher salt and freshly ground black pepper; 4 pocketless pitas; 1/2 cup hummus; 1/8 cup lemon juice; 2 tablespoons freshly chopped dill; 1 clove garlic, minced; 1/2 English cucumber, halved lengthwise and cut into 1/4-inch-thick half-moons; 2 cups shredded romaine lettuce; 1 large tomato, sliced thin; 1/3 cup thinly sliced red onion