First, the tourist or visitor visa. It is the quickest one for sure. It can be achieved in weeks and will allow you to stay for 6 months. It is also the least expensive option. You apply online and the fee is $160. You would get an interview that will take about 10 minutes. You have some real advantages here. First, your sister can send you a letter. I can explain more about that later. Your age is a real advantage. The fact that you have a daughter there, sister, parents, an apartment, etc all go in your favor.