Place the broccoli slaw mix in a large bowl and add the chopped red onion, almonds, and dried cranberries.
In a small bowl, whisk together the Greek yogurt, apple cider vinegar, granulated sugar, lemon juice, salt, and pepper until smooth. Adjust salt and sugar as needed.
Drizzle the dressing over the vegetable mix and toss until evenly coated. Serve immediately.