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Since you're only dealing with one rooster, could you put him in a pet carrier at night? Once he's in the carrier, you could keep him anywhere overnight (garage, car, shed, closet, spare bedroom, etc). That would separate him from the turkey hens to make them feel less threatened, so maybe they would be more willing to go into their house at night (and if the rooster's early morning crowing is bothering your neighbors, this might muffle his crows until he is let out at a reasonable hour).
Since BBBs are so heavy, they tend to have a lot of leg problems. They could easily tear a ligament or a tendon wrestling with a feisty rooster, and there'd be no way to fix it. Were you planning on keeping them as pets, or putting them in the freezer? If they're egg laying age and they're going in the freezer, it's probably time to start finishing them before they get so large that walking is too painful. On the other hand, if you're planning on keeping them as pets, you need to start them on joint supplements, a weight control diet, super soft bedding to prevent breast ulcers, daily foot care, etc., and definitely no fighting where there could be uncontrolled landings or stress on the joints. The broad breasted turkeys are hybrids that were developed strictly for rapid weight gain for meat production, and are not easy to keep alive and comfortable into adulthood. The earlier you start, and the stricter you are with their weight control and other care, the longer they live. (My first pet chicken was a Cornish cross broiler chicken. I kept her alive and comfortable for 6 & 1/2 years, but it took a phenomenal amount of care.)
I didn't think of if on my first post to you, but leg pain may be part of the reason they are reluctant to go into their house. There's no doubt that they're upset about the bully rooster being in there, but if they already have leg pain and have sat down outside the house, it may be more uncomfortable to get up again, especially after a fight. Birds that have painful legs tend to stay down longer, even before they start overtly limping.