(a) Appointment of trustee.--The court shall, at the time of the hearing or thereafter, appoint a trustee who shall receive from the sheriff the proceeds of the sale of the property after the costs have been paid.

(b) Disposition of proceeds.--The trustee shall, out of the proceeds, pay to the plaintiff spouse the sum of money the court decreed as plaintiff's share in the property sold and also the sums of money, and interest thereon from the time the respective items making them up became due and payable, which are due and payable under the order of support. The trustee shall also pay to the plaintiff spouse any additional sums the plaintiff may be entitled to under any order of court for the support of plaintiff or the children of defendant.