If I get married someday, I (would) want my husband to help (out) with the housework.
When I get married someday, I hope that my husband will give me a hand with the housework.
ーIf I get married someday, I (would) want my husband to help (out) with the housework.
「いつか結婚したら、夫に家事を手伝って欲しいだろう」
to get married で「結婚する」
to help out with ... で「…を手伝う」
ーWhen I get married someday, I hope that my husband will give me a hand with the housework.
「いつか結婚したら、夫には家事を手伝ってもらいたいな」
to give someone a hand で「人に手を貸す・人を手伝う」
housework で「家事」
ご参考まで!