You are correct that you don't need to report the income if it's in an IRA. You had confused my by asking about Turbotax. If it's in an IRA then you don't need Turbotax.
Are you talking about MMLP the ticker (which is itself an MLP)? Or are you talking MLPs in general?
Either way, I am sure that the UBTI issue doesn't come into play for royalty trusts like SJT.
And if you did have UBTI tax liability (due to some MLP holdings), then Turbotax would also not apply. With UBTI it is up to the broker to determine the liability and file with the IRS. Not the account holder.
So in all these respects you have no concern. Your only concern is the direction of SJT unit price and distributions. I expect the trend will be down for the next 4 months or so. That's not to say it's not a decent longer term investment though.