Add all ingredients for the dressing to a small blender and blend until completely smooth and thick. Set aside or refrigerate until ready to use.
Divide the cooked rice between 3 or 4 large bowls. Top with roasted beets, roasted cauliflower, dandelion greens, green onion, sauerkraut, pumpkin seeds, and raw walnuts. Drizzle the dressing over each bowl and serve.