No, TD Ameritrade's fees are not included in your XYIS fee. You can review TD's trade costs here.
For DFA funds, XYIS fees do not cover trade costs or expense ratios built into the funds.
You are welcome to use a wrap code to cover trade costs on behalf of your client. If you're interested in setting up a wrap code with XYIS please let us know and we can help you get that started!