sometimes aggregating will produce a larger QBI deduction other times it will be lower and at other times it makes no difference. I see no purpose in aggregating non-rental activities unless the QBI deduction is larger. Frequently, rental real estate is aggregated so that the safe harbor rules to treat rental real estate as a trade or business are met. Once businesses are aggregated, this must continue in future years unless a trade or business no longer qualifies for aggregation.
since we know nothing about the partnership, you must determine whether aggregation, if beneficial ur desired, is allowed.
the rules for aggregation are spelled out in IRS Reg 1.199A-4
see this article about aggregation especially the aggregation criteria section
https://www.thetaxadviser.com/issues/2019/may/sec-199a-aggregation-trades-businesses.html
