Roadside Assistance programs aren't going to do this. There is no profit in it.
First, someone has to pay the driver to drive out to you. That will be over $150 per hour. If you are 5 hours from the nearest shop, that's $750 just to reach you. And that's if the shop has a truck that can tow your rig.
Next, there is the cost to get you to the shop. Again, if you're lucky, the shop with the truck can accept your rig, so that will only be another $750 to tow you there.
You've already spent $1500 and haven't even had your rig checked out, let alone repaired.
So how much are you willing to pay for RA? They aren't going to sell it to you for $200 a year when a single service call will be 7-10 times more expensive.