Chicken Shawarma Gyros

Name: Chicken Shawarma Gyros
Ingredients: 1/2 pound boneless, skinless chicken breasts, sliced; 1/2 pound boneless, skinless chicken thighs, sliced; 3/4 cup plain whole milk Greek yogurt; 1/4 cup olive oil; 2 tablespoons lemon juice; 1 teaspoon ground cumin; 1 teaspoon smoked paprika; 1/2 teaspoon ground coriander; 1/2 teaspoon ground turmeric; 1/4 teaspoon ground cardamom; 3 cloves garlic, minced; Kosher salt and freshly ground black pepper; 1/2 large English cucumber; 1 cup plain whole milk Greek yogurt; 2 tablespoons chopped fresh dill; 2 tablespoons olive oil; 1 tablespoon lemon juice; 1/4 teaspoon cayenne pepper; Pinch granulated sugar; 2 cloves garlic, minced; Kosher salt; 4 pita breads, warmed; 2 large ripe tomatoes, sliced; Pickle spears, chopped; 1/4 cup thinly sliced red onion