To get all list of all script objects (VIEWs, SPs, UDFs) which are depending on some other script object we can use help of sys.sql_expression_dependencies system view:

SELECT
 object_name = OBJECT_NAME(D.referencing_id),
 O.type,
 O.type_desc
FROM
 sys.sql_expression_dependencies D
 INNER JOIN sys.objects O ON D.referencing_id = O.object_id
WHERE
 referenced_entity_name LIKE 'MyStoredProcedure';

Query result looks like this:



Now we can extend this query with navigation through all databases and save it as T-SQL Query Template:

DECLARE
    @referenced_entity SYSNAME = '<referenced_entity, sysname, ???>',
    @referencing_entity SYSNAME = '<referencing_entity, sysname, %>',
    @sql NVARCHAR(MAX) = '
SELECT
    server_name=NULL,
    database_name=NULL,
    object_name=NULL,
    object_type=NULL,
    object_type_desc=NULL
WHERE 1=0';
 
SELECT @sql = @sql + REPLACE(REPLACE(REPLACE(REPLACE('
UNION ALL
SELECT
    server_name = @@SERVERNAME,
    database_name = ''{database_name}'',
    object_name = OBJECT_NAME(D.referencing_id, {database_id}),
    object_type = O.type,
    object_type_desc = O.type_desc
FROM
    {database_name}.sys.sql_expression_dependencies D
    INNER JOIN {database_name}.sys.objects O ON D.referencing_id = O.object_id
WHERE
    D.referenced_entity_name LIKE ''{referenced_entity}''
    AND
    OBJECT_NAME(D.referencing_id, {database_id}) LIKE ''{referencing_entity}''',
    '{database_id}', database_id),
    '{database_name}', name),
    '{referenced_entity}', @referenced_entity),
    '{referencing_entity}', @referencing_entity)
FROM sys.databases
WHERE state=0 /* ONLINE */
ORDER BY name;
 
SET @sql = @sql + '
';
 
EXEC(@sql);

See also MSSQL - Query Templates