green bean salad with sour cream sauce

Ingredients

• 3 cans cans whole green beans, drained
• 1 small onion, thinly sliced
• 1 tablespoon vegetable oil
• 1 tablespoon apple cider vinegar (or vinegar of your choice)
• salt & pepper to taste
• SOUR CREAM SAUCE
• 1 cup sour cream (can use light)
• 1 tablespoon fresh lemon juice
• 1 tablespoon prepared horseradish sauce (small jar - not cream sauce as used in sandwiches, etc.)
• 1/2 cup mayonnaise (can use light)
• 2 teaspoons dry mustard powder
• 2 teaspoons fresh chopped chives