Apricot-Pistachio Chicken Salad Sandwiches

Ingredients

• 1-1/2 cups shredded rotisserie chicken
• 1/3 cup chopped dried apricots
• 2 tablespoons mayonnaise
• 2 tablespoons sour cream
• 4 teaspoons coarsely chopped pistachios
• 1 teaspoon prepared horseradish
• 1 teaspoon stone-ground mustard
• 1 teaspoon honey
• Dash salt
• Dash white pepper
• Dash hot pepper sauce
• 4 slices sourdough bread
• 2 Bibb lettuce leaves
• 2 slices tomato
• 2 slices sweet onion