Hello Sandy,
Such a great question, firstly we need to make sure you have everything synced from iCloud. Click or tap here to see how to verify your data is synced.
Once you photos are synced with your computer you will then want to confirm iDrive is backing up your photos directory, you can click or tap here to see how.
To remove you device from backing up to iCloud you can click or tap here, there is also information on purging your photos from iCloud if needed.