Catfish Cakes with Creamy Cucumber Horseradish Sauce

Name: Catfish Cakes with Creamy Cucumber Horseradish Sauce
Ingredients: 1 pound catfish, cooked, flaked; 2 tablespoons finely chopped celery; 1 tablespoon grated onion; 1/2 cup crushed saltine crackers; 2 1/2 to 3 tablespoons mayonnaise; 2 tablespoons finely chopped parsley; 1 teaspoon minced chives; 1 1/2 teaspoons Old Bay seasoning (any seafood seasoning can be used); Salt and pepper; Olive oil; CUCUMBER SAUCE; 1 cup Greek yogurt; 1 cup diced cucumber (seeded and peeled); 1 tablespoon fresh dill; 1 teaspoon prepared horseradish; 1 teaspoon lemon juice (to taste); Salt and pepper to taste; Garnish: lemon wedges