I did one this past summer.
I precooked a partially de-boned chicken and a partially de-boned duck. (All 3 birds were spatchcocked, and ribcage removed. All 3 still had wing bones and leg&thigh bones).
Wrapped the cooked duck, chicken, and some cooked bacon in the raw turkey and cooked indirect on the kettle at until the turkey white meat registered 180 degrees.
The turkey was a Butterball, and no at 180degrees it was not dried out.
Next time I'll use more than 1 lb of , and I'll crisp bacon a little more.