That then becomes it’s own reveal scene between Finn and Poe. “He wanted her alive” is already removed by Ascendant, and I’d keep it that way. Instead, the scene merely reveals that Ochi had been assigned to search for Rey and bring her to the Emperor, assumably when she was a child. Perhaps he wanted to collect her and Kylo at one point so that they would fight each other in front of the throne. But her rough life as a scavenger was perhaps something Palpatine hadn’t expected, and saw as a benefit so left her there. We don’t have to change any existing dialogue for this. Although we could replace “He wanted her alive” with “But he wanted her to be alone”.
This way we could reinstate Rey recognizing his ship, but we’d have to remove when she explains that her parents specifically were on it to Finn.