In a medium bowl, stir together sour cream and taco seasoning. Set aside
On a platter or shallow dish, spread out 1 can of refried beans smooth.
Spoon on sour cream mixture and spread over the guacamole.
Next layer the guacamole on top of the beans.
Sprinkle cheese over the guacamole.
Top with green onion, tomato and black olives over top of the shredded cheese.
Serve chilled with tortilla chips!