Once you cut out the hole and mount the ball in that location, you will have an ugly hole in the plastic bumper cover. That piece of plastic probably costs almost as much as a good aftermarket receiver setup.
Save yourself some trouble, dealing with all of the confusing advice from us shade tree mechanics, and some money, and just get a receiver hitch.
2015 Canyon SLT, Copper Red, 2WD, CC, SB, V6, Tow, blk leather, factory spray liner, safety pkg, generic roll up bed cover, Tekonsha P3 Brake Controller, Replaced OEM at 70k with Michelin LTX Defender
Please add a vehicle description to your Signature Line in your USER CP so we know what you are driving and can more appropriately insult you.