Herbed Plum Chicken Salad

Ingredients

• x 4- to 6-ounce package long-grain and wild rice mix
  1 unit
• diced cooked boneless chicken breast cubes
  2 cups
• diced celery
  1 cup
• fresh plums

  sliced
  4 unit
• ranch-style dressing
  ¼ cup
• sour cream
  ¼ cup
• dried tarragon leaves
  ½ teaspoon
• ground white pepper
  ¼ teaspoon
• lettuce leaves
  1 unit
• fresh plum slices for garnish
  1 unit