You should control the copyright to the content to which you apply a CC license. Before selecting a license, be mindful about whether you are the copyright holder to the content you want to apply a CC license to.
Think of the six CC licenses as providing a range of options for you, a content creator/author, to communicate to a global audience how you want others to use your work. This is key to deciding which license is best for your context. As yourself why you want to share your work openly?
Try the license chooser to consider your options!