Whisk sour cream, yoghurt, juice and garlic in a medium jug.
Spray pork with cooking oil. Heat a medium frying pan over a moderate heat. Cook pork, stirring to break up lumps for 4 - 5 minutes or until changed in colour. Sprinkle seasoning over pork, cook and stir for 2 - 3 minutes more or until cooked. Let cool slightly.
Toss remaining ingredients in a large bowl. Add pork; toss to combine.
Divide salad among serving bowls; drizzle with dressing. Serve at once.