Dilled Shrimp & Grape Salad

1/4 cup sour cream

1 tablespoon lemon juice

1/4 teaspoon salt

1/4 teaspoon black pepper, ground

1/4 cup olive oil

2 tablespoons fresh dill, chopped Salad :

6 cups baby lettuce mix, loosely packed

1 cucumber, seeded, sliced into 1/2 moons

1 cup seedless California green grapes, picked from stem and rinsed

8 ounces (about 1 1/4 cups) salad shrimp

1/4 cup sliced almonds, toasted