Generally speaking, Ph.D. degree will help you

Yes, you can do as you prefer only put
" Graduate Study, ABC University"
in the last page of your resume. This is OK.

However, generally speaking, showing Ph.D. degree on your resume will tell people you are a high quality people on education. As long as your salary expectition is not too high, they will still hire you. From employer's point of view, hire a high quality people is better. I would like to say put your Ph.D. degree on the resume. Or, put it on/off on different version of the resume, see which version get better response.
After you got hired, people will come to you and say: "Wow, I heard you have a Ph.D!", You can tell them:" Yes, but I have a got a real job now".
Life is interesting, several years ago, you worried about how to get a Ph.D., now you would rather not have it. Nothing is forever.... Enjoy!