J.N.
We were worried that my daughter would want to be rocked forever! She didn't and now I miss it a bit. I would wait a while longer if you don't mind rocking her. We rocked my daughter until she was two and then it became difficult to put her down at all. At that point we limited the amount of time we rocked her to 3 songs. She understood that and it worked well. Sometime between 2 and 3, she just weaned herself with a little help. She started by dropping nights she wanted to be rocked. I think she was getting too big to feel comfortable in the chair. It really stopped when we moved the rocker out of her room and when she moved into a bed from the crib. We moved the rocker out because we needed room for the bed. We changed her room around and she was excited about the big girl bed. She sleeps through the night and goes to bed easily. Wait some more. Don't worry. You wont need to rock her forever!