I spent some more quality time last weekend yanking the wheel around. There is a tiny bit of detectable play. I ordered new hubs and will replace those tomorrow morning (hopefully done before it hits 98 degrees). Thanks again to all for your input. I'll update tomorrow.

 

Thanks for all of your advice. I changed the front hubs this weekend and the rub is gone!

 

Excellent, thank you for following up and confirming what the problem was.