Anyone have any advice on how to potty train my 2 year old almost 3. Its been 3 years since i had to…

Anyone have any advice on how to potty train my 2 year old almost 3. Its been 3 years since i had to potty train my other one and shes not doing anything when i take her to the bathroom with me. Cause she has her own lil potty chair right beside the big potty but she just not into it shell at least sit on it but nope shed reather use her diaper and i tried the rewards for when she does but its just not working either i tried going yay and everything its just not working. Any advice on what else i can do or she just not ready yet?