Sakura has no power to hurt Kaguya and thats a Fact. The Lion dose not intimidated by the Jackal, it's the other way arrow n Sakura was nothing to Madara and She is even less to Kaguya.
Good idea but there is a more likely candidate to gain Hamura chakra, Obito who is already unconscious, is an Uchiha, has Hashirama cells and is the former Shinju jinchūriki.
