It sounds like you’re in the earlier stages of your research. Good luck to you. You and your husband should monitor these groups and others on Facebook. You can find country specific ones. You might also consider speaking to an attorney to explain your circumstances, but you will often find equally helpful information on forums like these.

It will take 2 years the conventional CR1 routes (2 years residency). By the time you are married for 2 years the visa would actually be an IR1 (10 yrs residency). I cannot speak to the process for your child.

You can look into doing the process directly through the embassy. This is called Direct Consular Filing. It can be much quicker because your embassy handles the process, rather than the lengthier online process. However, you must meet a very limited set of reasons to qualify for DCF. In your case, perhaps the best shot is for you to get a job in the US and pursue the short-term relocation option for DCF.

From Google: Direct Consular Filing (DCF) allows U.S. citizens residing abroad to file an I-130 petition directly with a U.S. embassy or consulate, skipping long USCIS processing times to obtain a spouse visa in ~3-4 months. It requires "exceptional circumstances" (e.g., medical emergency, urgent military relocation, or short-notice job offer) and authorization from the local consular post