Allow the pizza dough to reach room temperature before starting
Preheat the Traeger grill to high heat (450*) and put your pizza stone inside
Cut the red onion into ¼ inch rounds and toss with the balsamic vinegar and some salt and pepper
When the grill is hot, quickly cook the red onions on the grates then set aside
Prepare the pizza toppings- grate the cheese, chop the steak into small (¼ inch) cubes, etc.
Roll out the pizza dough until evenly thin on a floured pizza peel
Top the dough with a generous coating of bbq sauce and cover with the first layer of cheese
Spread the grilled red onions and steak pieces across the pizza.
Top with more cheese and then sprinkle with the gorgonzola
Slide the pizza onto the hot pizza stone
Cook for 5 minutes with the grill lid closed
Then rotate the pizza 180* and continue cooking until bubbly and browned
Using a metal pizza peel, remove the pizza from the grill and slice and serve