That is great! When it works it does work pretty fast. I’m gonna encourage you to also steer clear of the major med triggers if you can. Especially any you may have taken frequently over a long time. For me that was ibuprofen and PPIs (eg Nexium).

Be grateful you respond to Budesonide .. I’m happy for you. But it is prone to relapse. I have relapsed twice in four years - but my GI doc was not surprised and i went on a limited course of Budesonide. After the second relapse i went on 3mg daily as a maintenance dose.
None of that may be your course - but I wanted you to be aware it is possible and dont let it freak you out if it happens.

Good luck!!!