Ok so I have a one year old she just turned one in August and I want another baby because baby fever…

Ok so I have a one year old she just turned one in August and I want another baby because baby fever is high right now how soon should I start trying or how long should I wait? I at least wanted one more. Im also on the pill but haven't been on it for a few days I have to call my script in but how long does to take to conceive after being off the pill?.