Look likes you are using Next.js version 14 with App Router. You can retrieve id from params prop directly in server.

'use server'

export default async function Dashboard({
    params: { id },
}: {
    params: { id: string }
}) {
    const data = await fetchData(id)

    return (...);
}

References:

• https://nextjs.org/docs/14/app/api-reference/file-conventions/page
• https://nextjs.org/docs/14/app/building-your-application/data-fetching/fetching-caching-and-revalidating#fetching-data-on-the-server-with-fetch