Need Advice on having another baby?

I really want another baby! My sweet boy is only 6 months! He was a NICU Baby for 7 weeks. had surgery the day he was born. Has a feeding tube! He has one more major surgery coming up on his skull. But he is so smart and happy! I’m happy to share everything about his little journey if you would like. But anyways I want another baby but I’m so paranoid as I don’t want to take the attention away from him. And we want another baby because it took us five years to have our miracle baby. But advice is appreciated. But don’t be rude! :)