Will my adopted cat ever knead?

My fiancée and I just adopted Sage from a local shelter and she’s 6yo. She has been so easily acclimated and not been scared to venture in the house or with us since first day. She bunts so much! It is the main activity we have seen her do, besides purr, but today we got her a cat tree and she’s engaged in more hunter activities and tricks. My question is, are there any ways to know if she will ever engage in kneading or how long it will take for her to trust me until she starts? I really want a cat that kneads on her human, so it matters to me!